# SDR ASAA2023022642115

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 26, 2023
- Submitted: March 2, 2023
- Operation: Air carrier
- Aircraft: [N537AS](https://openairdocs.org/aircraft/N537AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35204
- Aircraft time: 40,969 hours, 11,847 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Actuator
- Part number: 5416744
- Part serial: 98533
- Condition: Faulted
- Location: Lt Ram Air Inlet
- Part time: 22,503 hours, 6,875 cycles
- 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/ASAA2023022642115

## Discrepancy

ON RECALL LEFT PACK LIGHT ILLUMINATES. CLEARS WHEN RESET. GROUNDED - YES. BITE SHOWS LEFT RAM ACT FAULT.  REMOVED AND REPLACED THE L/H RAM AIR INLET ACTUATOR. REF B737-800 AMM 21-51-21. OPS CHECK NORMAL.

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