# SDR ASAA2019030528476

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 5, 2019
- Submitted: March 8, 2019
- Operation: Air carrier
- Aircraft: [N563AS](https://openairdocs.org/aircraft/N563AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35180
- Aircraft time: 46,727 hours, 13,988 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Unknown
- Condition: Malfunctioned
- Location: Cabin Temp
- Stage of operation: NR
- 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/ASAA2019030528476

## Discrepancy

CON CAB & FWD CAB ZONE TEMP CONTROLLERS INOP. GROUNDED - YES. RAN PACK/ZONE TEMP CONT TEST PER AMM 21-61-00 SYSTEM OP CHECKS GOOD NO DEFECTS NOTED. CABIN AND FLIGHT DECK SENSOR FILTERS REPLACED FOR THE "A" CHECK THIS CLEARS MEL 21-19G AND 21-21G.

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