# SDR ASAA2018042424377

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 24, 2018
- Submitted: April 26, 2018
- Operation: Air carrier
- Aircraft: [N566AS](https://openairdocs.org/aircraft/N566AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35182
- Aircraft time: 43,433 hours, 13,018 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Filter
- Condition: Dirty
- Location: Cabin Temp
- Stage of operation: NR
- 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/ASAA2018042424377

## Discrepancy

ON RECALL, FWD CABIN ZONE TEMP ILLUMINATED,  EXTINGUISHED WITH MASTER CAUTION RESET.  ACFT GROUNDED.  ACCOMPLISHED THE LT & RT CONTROLLER BITE IAW AMM 21-61-00.  FOUND THE NR 2 CONTROLLER LOGGED FWD ZONE.  CLEANED THE FWD AND AFT FILTERS.  GROUND RAN PACK FOR ONE HOUR. NO FAULTS LOGGED.

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