TM 1-1520-238-PM 2–80 C1 PHASE NO. Date Aircraft Serial No. Area Name and No. AFT EQUIPMENT BAY – 11 Inspect Phase Nos. Initial Action Taken Faults and/or Remarks Status Inspection Requirements 2,4 13. FIRE EXTINGUISHER CONTAINERS FOR DENTS AND MOUNTING SECURITY. C CARTRIDGES, FITTINGS, AND VALVES FOR CRACKS, DISTORTION, AND SECURITY. CHECK CONTAINER CHARGE PRESSURE AND WEIGHT. INSPECT DISCHARGE INDICATING DISK. INSPECT THE SYSTEM CHECK VALVES FOR INTERIOR CORROSION, PITTING, AND EVIDENCE OF EVAPORATION. Access L325, T250L, T290L, T250R, T290R ALL 14. Fire extinguisher outlet tubing and fittings for cracks, dents, nicks, wear, C chaffing, fire bottle outlet ports, distortion, security and corrosion. Interior of tubes around B nut area for corrosion Access L325, T250L, T290L, T250R, T290R ALL 14a. Fire extinguisher check valves for pitting, corrosion, evaporation residue, or cracking. “FOD REMINDER” Check work area for tools and parts after completion of maintenance and inspection.