# SDR ASAA2023041442872

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 14, 2023
- Submitted: April 17, 2023
- Operation: Air carrier
- Aircraft: [N407AS](https://openairdocs.org/aircraft/N407AS), registered now
- Make and model: Boeing 737-900ER
- Registry model: [Boeing 737-900ER](https://openairdocs.org/model/boeing-737-900er) (OpenAirDocs)
- Aircraft serial: 41731
- Aircraft time: 39,048 hours, 12,221 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: CR
- 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/ASAA2023041442872

## Discrepancy

DURING RECALL, ZONE TEMP LT(CONT CAB) ILLUMINATES WITH THE AIR COND RECALL LT. RESETS DURING MASTER CAUTION RESET. OPERATION APPEARS NORMAL DURING CRUISE AT 5L350. GROUNDED - YES. PERFORMED PACK TEMP CONTROL BITE PER B737-900 FIM 21-62 TASK 801. FOUND FLT DECK TRIM TRIPPED FOR PREV FLT. FAULT CLEARED ON VERIFY. NO FAULTS ACTIVE AT THIS TIME. NO RECENT HISTORY.

---
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.