# SDR ASAA2021080623630

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 2, 2021
- Submitted: August 6, 2021
- Operation: Air carrier
- Aircraft: [N403AS](https://openairdocs.org/aircraft/N403AS), registered now
- Make and model: Boeing 737-900ER
- Registry model: [Boeing 737-900ER](https://openairdocs.org/model/boeing-737-900er) (OpenAirDocs)
- Aircraft serial: 41730
- Aircraft time: 32,824 hours, 10,589 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Warning Light
- Condition: False Activation
- Location: Lt A/C Pack
- Stage of operation: NR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2021080623630

## Discrepancy

L PACK LIGHT ILLUMINATES ON RECALL RESETS WITH MASTER CAUTION RESET. GROUNDED - YES. BITE CK SHOWS TCV THIS PACK. VERIFIES GO + RESET. ACCOMP B737-900 FIM 21-62 TASK 830, RAN PACK 15 MINUTES NO PACK LIGHT ON RECALL. BITE CK STILL VERIFIES GO.

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