# SDR ASAA2021100536184

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 5, 2021
- Submitted: October 6, 2021
- Operation: Air carrier
- Aircraft: [N474AS](https://openairdocs.org/aircraft/N474AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 40715
- Aircraft time: 23,576 hours, 7,480 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: TX
- How discovered: V
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2021100536184

## Discrepancy

AFTER PUSHBACK ON RECALL RH PACK LIGHT ILLUMINATED. PACK LIGHT WENT OUT ON M/C RESET. GROUNDED - YES. FOUND INLET AND EXIT FAULTS ON #2 TEMP CTRL. RESET FAULTS, PERFORMED B737-900ER FIM/AMM 21-61-00 THREE TIMES. OPS TEST PASSES ALL TESTS. SUSPECT FAULTS NOT CLEARED FULLY FROM L/P 60297549. REF L/P 60037301 FOR TOP DEFERRAL.

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