# SDR ASAA2013042094545

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 20, 2013
- Submitted: April 23, 2013
- Operation: Air carrier
- Aircraft: [N506AS](https://openairdocs.org/aircraft/N506AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35690
- Aircraft time: 18,675 hours, 5,866 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Controller
- Condition: Malfunctioned
- Location: Temp
- Stage of operation: TX
- 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/ASAA2013042094545

## Discrepancy

AFTER ENGINE START , ON RECALL CONT CAB ZONE TEMP LT ILLUMINATED.  LT EXTINGUISHES W/RESET.  TEMP IS CONTROLLABLE W/SECONDARY CONTROLLER.  ACCOMPLISHED PACK/ZONE TEMP CONTROLLER BITE TEST.  CONTROLLER NR 2 LOGGED FLT DK TRIM VALVE FAULT. CLEARED & RERAN TEST PASSED.

---
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.