# SDR ASAA2020081033008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 10, 2020
- Submitted: August 12, 2020
- Operation: Air carrier
- Aircraft: [N560AS](https://openairdocs.org/aircraft/N560AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35179
- Aircraft time: 52,084 hours, 15,569 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Valve
- Part number: 3989083
- Part serial: 8886
- Condition: Inoperative
- Location: Rt A/C Pack
- Part time: 52,085 hours, 15,570 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2020081033008

## Discrepancy

FWD CAB ZONE TEMP LIGHT ILLUMINATED ON RECALL. GROUNDED - YES. PERFORMED BITE FOUND FWD CABIN PASSENGER TRIM AIR VALVE HARD FAULT. REPLACED FWD TRIM AIR VALE REF B737-800 AMM 21-15-10 BIT CK GOOD LK CK GOOD.

---
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.