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FMCSA - Federal Motor Carrier Safety Adminstration

CSA - Compliance, Safety, Accountability

Working Together for Safety.


SMS - Safety Measurement System SMS - Safety Measurement System

SCHST LLC

SPACE CITY SERVICES

  • 593350
  • 12214 AQUEDUCT RD
    HOUSTON, TX 77044-5212
  • 146
  • 129
  • 153

Safety Rating & OOS Rates AND Licensing and Insurance

As part of FMCSA’s IT modernization strategy, we are in the process of merging our data platforms to make it easier for you to find the information you need. During this transition, please refer to the links below for additional information about this carrier.

BASIC Status (Public Property Carrier View) FAST Act of 2015

Behavior Analysis & Safety Improvement Categories (BASICs) Based on a 24-month record ending September 25, 2026

Select a BASIC icon above to get details, or view your Complete SMS Profile.

Vehicle Maintenance

More Info

On-Road Performance

4.98 How is the measure calculated?

Safety Event Group: 101-500 relevant vehicle inspections

Investigation Results

No Acute/Critical Violations Discovered

Expand Graph

Carrier Measure Over Time

  • Trends

This graph displays a carrier’s measure based on 24 months of on-road performance. Zero indicates the best performance. To see how the measure is calculated click here. To see how the measure relates to percentile click here. Expand for more information.

  • 8
  • 6
  • 4
  • 2
  • 0
  • -2
  • Apr 24
  • May 15
  • Jun 26
  • Jul 31
  • Aug 28
  • Sep 25
  • 2026
  • 2026
  • 2026
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  • 2026
  • 2026
  Apr 24 2026 May 15 2026 Jun 26 2026 Jul 31 2026 Aug 28 2026 Sep 25 2026
Measure 5.17 5.45 5.58 5.29 5.15 4.98
Measure 0 0 0 0 0 0

Violation Summary

Vehicle Maint. Violations: 184

Violations Description # Violations # OOS Violations Violation Severity Weight
393.47(e) Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt 18 0 4
393.9 Inoperable Required Lamp 17 2 2
393.53(b) CMV manufactured after 10/19/94 has an automatic airbrake adjustment system that fails to compensate for wear 14 0 4
396.17(c) Operating a CMV without proof of a periodic inspection 8 0 4
396.3(a)(1) Inspection, repair and maintenance of parts and accessories 8 1 2
393.75(a)(3) Tire-flat and/or audible air leak 7 7 8
396.3(a)1BOS Brake - Defective brake(s) are equal to or greater than 20% of the service brakes on the vehicle/combination 7 7 0
396.5(b) Oil and/or grease leak 7 0 3
393.9TS Inoperative turn signal 6 4 6
393.11TL Truck-Tractor lower rear mud flaps retroreflective sheeting / reflex reflective material requirements for vehicles manufactured after July 1997 5 0 3
393.60(c) Windshield - Damaged or Discolored 5 0 1
393.55(e) No or Defective ABS Malfunction Indicator Lamp for trailer manufactured after 03/01/1998 4 0 4
393.78 Wipers - Inoperative / missing / damaged wipers 4 0 1
393.11 No or defective lighting devices or reflective material as required 3 0 3
393.45B2-B-AIR Air Brake - Hose/tubing damaged or not secured 3 0 4
393.45B2UV Brake Hose or Tubing Chafing and/or Kinking Under Vehicle 3 0 4
393.75(c) Tire-other tread depth less than 2/32 of inch measured in a major tread groove 3 0 8
393.75A3-TAOL Tires - All others, leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS 3 3 8
393.9H Inoperable head lamps 3 0 6
396.3A1B Brakes (general) Explain: 3 0 4
393.104(b) Damaged securement system/tiedowns 2 1 1
393.11S Side retroreflective sheeting or reflex reflector requirements for vehicles manufactured after December 1993 2 0 3
393.19 Inoperative/Defective Hazard Warning Lamp 2 0 6
393.45B2PC Brake Hose or Tubing Chafing and/or Kinking - Connection to Power Unit 2 0 4
393.55(c)(1) Truck Tractor manufactured on or after March 1, 1997 not equipped with an antilock brake system 2 0 4
393.55(d)(3) No or Defective ABS Malfunction Indicator for towed vehicles on vehicles manufactured after February 2001 2 0 4
393.55D1-B Air Brake - ABS malfunction lamp defective on truck-tractor manufactured on or after March 1, 1997 and each single unit CMV on or after 1998. 2 0 4
393.95(b) Emergency Equipment - A power unit requiring fuses - missing a spare fuse for a required part or accessory (e.g., lamps required by 393.11, ABS lights or low air warning light). 2 0 2
393.95(f) Emergency Equipment - Stopped vehicle warning devices missing or improper 2 0 2
393.9A-LHLI Lighting - Headlamp(s) - Any inoperative 2 0 6
396.5B-HWSL Hubs - Wheel seal leaking 2 2 2
392.2-SLLMF State/Local Laws - Wheel (mud) flaps missing or defective 1 0 1
392.2WC Wheel (Mud) Flaps missing or defective 1 0 1
393.106(d) Insufficient aggregate working load limit 1 1 3
393.11A1-CSLRR Conspicuity Systems - Truck tractor, lower rear retro reflective sheeting missing on vehicle manufactured on or after July 1, 1997 1 0 3
393.11A1-LCHL Lighting - Lamps improper color, height, location. 1 0 6
393.203(a) Cab door missing/broken 1 0 2
393.203(c) Hood not securely fastened 1 0 2
393.205A-WRTC Wheel/Rim - Two or more cracks anywhere. 1 1 2
393.207(a) Axle positioning parts defective/missing 1 1 7
393.209(d) Steering system components worn, welded, or missing 1 1 6
393.209(e) Power steering violations 1 0 6
393.30 Improper battery installation 1 0 3
393.43(a) No/improper tractor protection valve 1 1 4
393.45 Brake tubing and hose adequacy 1 1 4
393.45B2-BHTD Air Brake - Hose/tubing damage into the outer reinforcement ply. 1 1 4
393.45D-B Air Brake - Audible air leak at a proper connection 1 0 4
393.47A-BCFSBD Drum Brake - Contaminated friction surface 1 0 4
393.55(c)(2) CMV other than truck-tractor manufactured on or after March 1, 1998 not equipped with an antilock brake system. 1 0 4
393.55E-B Air Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1, 1998 1 0 4
393.67C7V-F Fuel - Missing/improper filler cap 1 0 1
393.70B1I Defective latching fasteners - Fasteners on either side of the vehicle are missing or ineffective 1 1 3
393.75(a)(1) Tire-ply or belt material exposed 1 1 8
393.82 Speedometer inoperative / inadequate 1 0 3
393.93(b) Failure to equip truck with seatbelts 1 0 2
393.95(a) No/discharged/unsecured fire extinguisher 1 0 2
393.9A-LFTSI Lighting - Front - Turn signal - inoperative 1 0 6
393.9A-LSLI Lighting - Stop lamps - Any inoperative. 1 0 6
396.17C-PI Operating a CMV without documentation of a periodic inspection 1 0 4
396.3(a)(1) Tire in contact with another part of the vehicle 1 1 8
396.3A1BL Brake system pressure loss 1 1 4
396.5B-HWSLOW Hubs - Wheel seal leaking - outer wheel 1 0 2

Inspection History

Vehicle Inspections: 146

Please select to view your Inspection History. You can also sort your data by Date, Report Number, Vehicle Type, etc.

(or)
Report Vehicle Measure = Sum of the Total Weight (TotW) Sum of the Time Weight (TiW)
Inspection Date Number State Plate Number Plate State Type Severity Weight
(SW)
Time Weight
(TiW)
Total Weight
(TotW)
Sum of measure weights Sum of measure weights 734 239 1,192
TotW TiW
=
1,192 239
= 4.98
More Info

*** The sum of all violation severity weights (violation weight + out-of-service) for this inspection has been capped at 30.

Investigation Results

Vehicle Maint. Acute/Critical Violations: 0

This carrier has no Vehicle Maintenance Acute/Critical Violations to display.

Summary of Activities

The summary includes information on the 5 most recent investigations and 24 months of inspections and crash history.

  • 2/6/2025 (Non-Ratable Review)
  • 153
    • 67
    • 86
  • : 3

*Crashes listed represent a motor carrier’s involvement in reportable crashes, regardless of the carrier’s or driver’s role in the crash. Continue for details.

Continue for more Crash, Inspection & Investigation Details

Inspection Selection System

As part of FMCSA’s IT modernization strategy, we are in the process of merging our data platforms to make it easier for you to find the information you need. During this transition, please refer to the links below for additional information about this carrier.

Enforcement Cases

(Six years as of 10/07/2026 updated monthly from FMCSA )

No penalties found

Tools/Resources

SMS Methodology How to Improve Request a Data Review
For U.S. DOT# 593350
Complete SMS Profile Carrier History Downloads