# SDR UIEA2021093002146

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 29, 2021
- Submitted: September 30, 2021
- Operation: Air carrier
- Aircraft: [N1093A](https://openairdocs.org/aircraft/N1093A), registered now
- Make and model: Boeing 767-36N
- Registry model: [Boeing 767-36N](https://openairdocs.org/model/boeing-767-36n) (OpenAirDocs)
- Aircraft serial: 30111
- Aircraft time: 12,755 cycles
- System (JASC): [2161 · Cabin Temperature Controller](https://openairdocs.org/jasc/2161)
- Part: Valve
- Part number: 3987865
- Part serial: P399
- Condition: Illuminated
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K, O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2021093002146

## Discrepancy

AFT CABIN TEMP EICAS MSG PERFORMED FIM TASK 21-60 FT 803. FOUND AFT ZONE TRIM VALVE ILLUMINATED. REMOVED AND REPLACED TRIM VALVE IAW AMM 21-67-07. OPS CHECK GOOD. NO FURTHER DEFECTS NOTED AT THIS TIME.

---
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.