What was found
AIRCRAFT WAS GROUNDED: EMERGENCY LANDED INTO DEN DUE TO AUTO FAIL ILLUMINATED ON PRESSURIZATION PANEL DURING DESCENT. REPLACED NUMBER 1 CABIN PRESSURE CONTROLLER PER AMM 21-31-01.
- Difficulty date
- September 17, 2021
- Submitted
- September 20, 2021
- Operation
- Air carrier
- Aircraft
- N963AN
- Make and model
- Boeing 737823
- Aircraft serial
- 29543
- Aircraft time
- 59,349 hours, 24,401 cycles
- System (JASC)
- 2131 · Cabin Pressure Controller
- Part
- Selector
- Part number
- 2193301AD
- Part serial
- 1695811
- Condition
- Failed
- Location
- Zone 200 - Fuse
- Stage of operation
- DE
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.