# SDR ASAA2022080139342

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 1, 2022
- Submitted: August 30, 2022
- Operation: Air carrier
- Aircraft: [N442AS](https://openairdocs.org/aircraft/N442AS), registered now
- Make and model: Boeing 737
- Aircraft serial: 43293
- Aircraft time: 32,513 hours, 10,293 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Unknown
- Part number: 2123010BA
- Part serial: 13115224
- Condition: Inoperative
- Location: Aft Fuselage
- Part time: 32,626 hours, 10,323 cycles
- Stage of operation: TX
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022080139342

## Discrepancy

AUTO FAIL LIGHT ILLUMINATED AFTER LANDING SWITCH STILL IN AUTO POSITION BUT ALTN LIGHT ILLUMINATED ALSO. GROUNDED - YES. REMOVED AND REPLACED AFT OUTFLOW VALVE ASSEMBLY REF B737-900 AMM 21-31-03. OPS CHECK GOOD. NO FAULTS ON DCPC #1 AND #2.

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