What was found
CABIN ALTITUDE AUTO 1 AND 2 INOPERATIVE. T/S IAW FIM 21-31 FAULT TREE 803. FAULTED AUTO 1 AC MOTOR-STATUS AC PWR OFF VERIFIED. AUTO 2 AC MOTOR VERIFIED. DUE TO HISTORY R & R OUTFLOW VALVE ASSY IAW AMM 21-31-03.
- Difficulty date
- July 19, 2016
- Submitted
- July 19, 2016
- Operation
- Air carrier
- Aircraft
- N592HA
- Make and model
- Boeing 7673CB
- Aircraft serial
- 33466
- Aircraft time
- 50,102 hours, 9,209 cycles
- System (JASC)
- 2133 · Pressure Regulator/Outflow Valve
- Part
- Outflow Valve
- Part number
- 60683221
- Part serial
- 18825
- Condition
- Faulty
- Location
- Cabin Pressure
- Part time
- 1,421 hours, 286 cycles
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.