# SDR ASAA2016031915990

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 19, 2016
- Submitted: March 21, 2016
- Operation: Air carrier
- Aircraft: [N495AS](https://openairdocs.org/aircraft/N495AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41728
- Aircraft time: 163 hours, 60 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Module
- Part number: 6937324378
- Part serial: F08807
- Condition: Failed
- Location: Cabin Tem
- Part time: 179 hours, 68 cycles
- Stage of operation: NR
- 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/ASAA2016031915990

## Discrepancy

CABIN CONTROLLER ZONE TEMP ON RECALL MASTER CAUTION CLEARS.  ACFT GROUNDED.  PERFORMED BITE CHECK, FOUND FAULT CODE 21-51311.  PERFORMED FIM 21-62 TASK 804 IAW FIM.   R & R TEMP CONTROL MODULE REF AMM 21-61-15, OPS TEST NORMAL.  GROUND VERIFICATION NORMAL.

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