# SDR ASAA2023041842926

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 18, 2023
- Submitted: April 20, 2023
- Operation: Air carrier
- Aircraft: [N513AS](https://openairdocs.org/aircraft/N513AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35192
- Aircraft time: 51,485 hours, 15,422 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/ASAA2023041842926

## Discrepancy

UPON RECALL RIGHT PACK MASTER CAUTION LIGHT ILLUMINATED, LIGHT EXTINGUISHED WITH RESET. GROUNDED - YES. PERFORMED B737-800 FIM TASK 21-62-801, #2 TEMP CONTLR SHOWS "THIS PACK TCV". PERFORMED FIM 21-62 TASK 831, RESET FAULT AND RE BITE TESTED W/NO FAULT. RAN BOTH PACKS FOR 1 HR PLUS W/NO DISCREP. RE BITE TESTD BOTH TEMP CNTLR W/ NO FAULTS. NO HISTORY LAST 90 DAYS.

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