# SDR ASAA2019121601599

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 10, 2019
- Submitted: December 31, 2019
- Operation: Air carrier
- Aircraft: [N536AS](https://openairdocs.org/aircraft/N536AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35203
- Aircraft time: 30,675 hours, 8,796 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Actuator
- Part number: 5416744
- Part serial: 698220
- Condition: Inoperative
- Location: Lt Ram Air Inlet
- Part time: 66,857 hours, 26,187 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2019121601599

## Discrepancy

LH RAM AIR DOOR ACTUATOR INOP. GROUNDED - YES. REMOVED & REPLACED LH PACK RAM AIR ACTUATOR REF AMM 21-51-21-400-801. PERFORMED TESTS IAW AMM 21-51-21-400-801, OPS CHECK GOOD. ETOPS GROUND FUNCTIONAL TEST IS GOOD IAW AMM 12-51-21-400-801 PARAGRAPH K.

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