# SDR MYWA201204160047

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 15, 2012
- Submitted: April 16, 2012
- Operation: Air carrier
- Aircraft: [N752MA](https://openairdocs.org/aircraft/N752MA), registered now
- Make and model: Boeing 737-48E
- Registry model: [Boeing 737-48E](https://openairdocs.org/model/boeing-737-48e) (OpenAirDocs)
- Aircraft serial: 28199
- Aircraft time: 26,179 hours, 24,783 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: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MYWA201204160047

## Discrepancy

ZONE TEMP LIGHTS ON FWD CAB AND AFT CAB ILLUMINATE ON RECALL.  ACCOMPLISHED BITE TEST ON ZONE TEMP CONTROLLERS IAW M/M TASK 21-51-00-705-275-002 AND RESET CONTROLLERS NO FAULTS NOTED SYSTEM OPS CHECK NORMAL NO LIGHTS ILLUMINATE WHEN RECALL PUSHED.

---
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.