Service difficulty reports · 118
Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.
SDR NACA2020052800006Control Module · malfunctionedCLIMBING THROUGH FL 34-35 NOTICED POPPING SOUND. CABIN WAS CLIMBING AT APPROXIMATELY 2000 FPM. COMPLETED CABIN ALTITUDE WARNING CHECK LIST, UNABLE TO CONTROL CABIN, COMMENCED EMERGENCY DESCENT. CABIN CLIMBED TO APPROXIMATELY 15,000 FT. REPLACED CABIN PRESSSDR NACA2020052600005Skin · crackedCRACK AT AFT ENTRY UPPER HINGE CUTOUT AT BS 951. INSTALLED INTERIM REPAIR PER B737-300 SRM 53-60-1 FIG 201 REPAIR NR 5.SDR NACA2020050500003Controller · faultyDISCREPANCY: UNCONTROLLABLE LOSS OF CABIN PRESSURE @ FL 37,000. COULD NOT RESTORE USING STANDBY OR MANUAL. OUTFLOW VALVE FULLY CLOSED AND L/R PRESSURE 40 PSI. CORRECTIVE ACTION: REPLACED PRESSURE CONTROLLER AND STRAIGHTENED MCD SEAL DEPRESSOR, AMM 21-31-00.
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