# SDR UIEA2021100202162

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 2, 2021
- Submitted: October 5, 2021
- Operation: Air carrier
- Aircraft: [N1487A](https://openairdocs.org/aircraft/N1487A), registered now
- Make and model: Boeing 767-31K
- Registry model: [Boeing 767-31K](https://openairdocs.org/model/boeing-767-31k) (OpenAirDocs)
- Aircraft serial: 28865
- System (JASC): [2161 · Cabin Temperature Controller](https://openairdocs.org/jasc/2161)
- Part: Controller
- Part number: 6259346
- Part serial: 0200735
- Condition: Fault Message
- Stage of operation: CR
- 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/UIEA2021100202162

## Discrepancy

AFT CABIN TEMP CAUTION MSG IN FLIGHT @FL390 CABIN ALT 7000 CABIN DIFFERENTIAL PRESS 8.4 PSI. T/S IAW FIM 21-61 FAULT TREE 803 AND AMM 21-61-03. REMOVED AND REPLACED ZONE TEMP CONTROLLER UNIT IAW AMM 21-61-03. OPS TEST GOOD. STATUS MSG CLEARED.

---
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.