# SDR ASAA2018122877591

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 27, 2018
- Submitted: December 29, 2018
- Operation: Air carrier
- Aircraft: [N440AS](https://openairdocs.org/aircraft/N440AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41705
- Aircraft time: 20,719 hours, 6,843 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/ASAA2018122877591

## Discrepancy

LH PACK LIGHT ILLUMINATED ON RECALL EXTINGUISHED ON RESET. GROUNDED - YES. ACCOMPLISHED PACK/ZONE CONTROLLER BITE. #1 CONTROLLER LOGGED "SRADA EXIT FAULT", VERIFICATION TEST CLEARED FAULTS, NO FURTHER DISCREPANCIES NOTED REF B737-900 AMM 21-61-00.

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