# SDR ASAA2022111340738

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 13, 2022
- Submitted: November 14, 2022
- Operation: Air carrier
- Aircraft: [N413AS](https://openairdocs.org/aircraft/N413AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 35205
- Aircraft time: 35,980 hours, 11,350 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: V
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022111340738

## Discrepancy

LH PACK LIGHT ILLUMINATED ON MASTER CAUTION RECALL. EXTINGUISHES ON RESET. GROUNDED - YES. ACCOMPLISHED PZTC BITE REF B737-900 AMM 21-62 TASK 801 AND HAD RAM ACTUATOR FAULT ON #1 PZTC BITE. FAULT CLEARED AND VERIFIED ACTUATOR OPERATES CORRECTLY. OPS CHECK GOOD ALL TEST PASS.

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