393.43A-TSV Air Brake - Inoperable or missing trailer supply valve
(OOS)
4
+ 2 (OOS)
393.45B2-B-AIR Air Brake - Hose/tubing damaged or not secured
4
393.45D-B Air Brake - Audible air leak at a proper connection
4
393.47(e) Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt
4
393.48A-BIBD Drum Brake - Inoperative other than a steering axle
4
393.48A-BLMACBD Drum Brake - Loose chamber/spider/camshaft support bracket
4
393.53B-B Air Brake - CMV manufactured on or after 10/20/1994 has an automatic airbrake adjustment system that fails to compensate for wear
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.
4
393.55E-B Air Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1, 1998