# SDR ASAA2021061235084

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 12, 2021
- Submitted: June 16, 2021
- Operation: Air carrier
- Aircraft: [N588AS](https://openairdocs.org/aircraft/N588AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35685
- Aircraft time: 48,366 hours, 14,397 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Control Valve
- Part number: 3989083
- Part serial: 11190
- Condition: Inoperative
- Location: Cockpit Temp
- Part time: 38,239 hours, 15,117 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2021061235084

## Discrepancy

FLIGHT DECK TEMP EXCESSIVELY HOT, SHOWING 62'C ON CONT CAB. FOLLOWED MEL PROCEDURE WITH NO EFFECT. GROUNDED - YES. REMOVED & REPLACED LEFT AC PACK TEMPERATURE CONTROL VALVE REF B737-800 AMM 21-51-10, OP CHECKS FOR INSTALLATION OK.

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