# SDR ASAA2023110546008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 5, 2023
- Submitted: November 8, 2023
- Operation: Air carrier
- Aircraft: [N538AS](https://openairdocs.org/aircraft/N538AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 41188
- Aircraft time: 41,047 hours, 12,063 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: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023110546008

## Discrepancy

ZONE TEMP CAUTION ILLUMINATED ON MASTER RECALL CHECK. EXTINGUISHED UPON MASTER CAUTION RESET. GROUNDED - YES. (RESOLVED ON W/O: 1976284 TASKCARD: N/R-00001 ) PERFORMED BITE PROCEDURE NO DEFECTS NOTED AT THIS TIME PER AMM 21-62 TASK 801 THIS REMOVES MEL 21-21G SEAMC TODD NOTIFED MX PROCEDURES REVERSED PLACARD REMOVED.

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