What was found
AIRCRAFT WAS GROUNDED: LOUD AIR LEAK REPORTED AT AFT LEFT SERVICE DOOR DURING CLIMB AND DESCENT. NOISE STOP ABOUT 5 PSI. REPLACED OUTFLOW VALVE AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 21-31-03.
- Difficulty date
- October 21, 2021
- Submitted
- October 22, 2021
- Operation
- Air carrier
- Aircraft
- N806NN
- Make and model
- Boeing 737823
- Aircraft serial
- 29561
- Aircraft time
- 35,906 hours, 14,672 cycles
- System (JASC)
- 2133 · Pressure Regulator/Outflow Valve
- Part
- Outflow Valve
- Part number
- 40631997201AB
- Part serial
- 0010540
- Condition
- Leaking
- Location
- Zone 100 - Fuse
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.