# SDR ASAA2017050320627

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 3, 2017
- Submitted: May 5, 2017
- Operation: Air carrier
- Aircraft: [N587AS](https://openairdocs.org/aircraft/N587AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35684
- Aircraft time: 36,611 hours, 10,656 cycles
- System (JASC): [2161 · Cabin Temperature Controller](https://openairdocs.org/jasc/2161)
- Part: Controller
- Condition: Malfunctioned
- Location: Ac Bay
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2017050320627

## Discrepancy

REF MEL 21-32B RH PACK LIGHT FAILS TO EXTINGUISH AFTER RECALL AND MASTER CAUTION RESET. GROUNDED - YES. REF AMM FIM TASK 21-61-801 RESET BOTH ZONE TEMP CONTROLLERS ALL FAULTS CLEARED MASTER CAUTION LT NOW DOES NOT ILLUMINATE AND EXTINGUISHED OK FOR CONTINUED SERVICE

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