# SDR ASAA2022032837816

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 28, 2022
- Submitted: March 31, 2022
- Operation: Air carrier
- Aircraft: [N467AS](https://openairdocs.org/aircraft/N467AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36362
- Aircraft time: 28,642 hours, 9,247 cycles
- Engine: Ge
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: NR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022032837816

## Discrepancy

CONT CAB PRI ZONE TEMP LT. GROUNDED - YES. ACCOMPLISHED PACK/ZONE TEMP BITE TEST REF B737-900 AMM 21-61-00. BIT AND PREV FLT SHOW FLT DECK TRIM VALVE FAULT. COMPLETED VERIFY AND FAULT CLEARED. REACCOMPLISHED TEST WITH 3 GREEN PASS GO LIGHTS.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.