# SDR ASAA1159380

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 3, 2011
- Submitted: April 6, 2011
- Operation: Air carrier
- Aircraft: [N532AS](https://openairdocs.org/aircraft/N532AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 36346
- Aircraft time: 2,836 hours, 929 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Warning System
- Condition: Intermittent
- Location: Cockpit
- Stage of operation: TX
- How discovered: O
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA1159380

## Discrepancy

CONT CAB ZONE TEMP LT ILLUMINATES ON RECALL EXTINGUISHES WITH MASTER CAUTION RESET.  TROUBLESHOT PER FIM 21 62 00 810 842.  FAULT APPEARS TO HAVE BEEN INTERMITTENT.  BITE TEST SHOWS NO FAILURES PREVIOUS NINE FLTS.  RESET LOGGED FAULT.  GROUND VERIFICATION OF PACK SYSTEM NORMAL.

---
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.