# SDR IPXA2018110735749

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 5, 2018
- Submitted: November 7, 2018
- Operation: Air carrier
- Aircraft: [N473UP](https://openairdocs.org/aircraft/N473UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 28846
- Aircraft time: 19,203 hours, 12,995 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Controller
- Condition: Malfunctioned
- Location: Cabin Temp
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2018110735749

## Discrepancy

COMPT & CMP UNCONTROLLABLE 60-83, FLT DECK, FWD CAD, AFT CABIN,  TEMP 00/54/50.   AUTO C FULL WARNING ON STBY N TEMP 60/54/50 ON W TEMP 58/52/50.  REMOVED & REPLACED ZONE TEMP CONTOLLER IAW AMM 21-63-03-0401. PERFORMED SYSTEM TEST,  PRIMARY ZONE TEMP CONTROLLER IAW AMM 21-61-00-705-030. ZONE TEMP SYSTEM CHECKED GOOD IAW 21-61-00-01.

---
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.
