# SDR ASAA2014100709323

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 7, 2014
- Submitted: October 10, 2014
- Operation: Air carrier
- Aircraft: [N584AS](https://openairdocs.org/aircraft/N584AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35682
- Aircraft time: 27,297 hours, 8,172 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Controller
- Part number: 6228145
- Part serial: 62281404530
- Condition: Failed
- Location: Ee Bay
- Part time: 24,029 hours, 7,428 cycles
- 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/ASAA2014100709323

## Discrepancy

RECALL AIR CONDITIONER AFT ZONE TEMP MASTER CAUTION, RESET ON MASTER CAUTION. ACFT GROUNDED.  BITE CHECK OF NR 2 PACK/ZONE TEMP CONTROLLER M1443, FAULTED "CABIN SENSOR" " BACKUP ZONE".  ACCOMPLISHED FIM 21-62/816.  CABIN TEMP SENSOR CHECKS OK, WIRING BETWEEN D3910 AND D3860A OK. ALSO, CHECKED CONNECTOR D41818P&J, OK SN OF NR 2 PACK/ZONE TEMP CONTROLLER, 622814-04530, WAS PREVIOUSLY INSTALLED AND FAILED WITH SAME FAULT.  REPLACED M1443.  REF AMM 21-61-20/401.  PACK/ZONE TEMP BITE CHECK PASSES.

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