# SDR ASAA2023070943955

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 9, 2023
- Submitted: July 12, 2023
- Operation: Air carrier
- Aircraft: [N570AS](https://openairdocs.org/aircraft/N570AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35185
- Aircraft time: 59,507 hours, 17,757 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023070943955

## Discrepancy

BOTH FWD AND AFT CABIN TEMP CONTROL VERY DIFFICULT TO CONTROL. GROUNDED - YES. PERFORMED CABIN TEMPERATURE ARE UNCRONTROLLABLE FIM 21-62 TASK 905, OPS & BITE CK GOOD. FOUND BOTH CABIN TEMPERATURE SENSORS FILTERS DIRTY, REMOVED AND REPLACED BOTH FILTERS PER AMM, 21-61-06, OPS CHECK GOOD.

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