# SDR ASAA2023050543135

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 5, 2023
- Submitted: May 8, 2023
- Operation: Air carrier
- Aircraft: [N593AS](https://openairdocs.org/aircraft/N593AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35107
- Aircraft time: 55,212 hours, 16,483 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Actuator
- Part number: 5416744
- Part serial: 13017
- Condition: Faulty
- Location: R Ram Air Inlet
- Part time: 43,480 hours, 16,158 cycles
- Stage of operation: CL
- How discovered: V
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023050543135

## Discrepancy

ON CLIMB OUT, RIGHT PACK LIGHT ILLUMINATED, RAN QRH AND LIGHT EXTINGUISHED CAME ON AGAIN 2 MINUTES LATER WOULD NOT EXTINGUISH. GROUNDED - YES. DIVERSION - FOUND FAULT ON RAM AIR ACTUATOR. REMOVED ACTUATOR REF B737-800 AMM 21-51-21-000-801-INSTALLED RAM AIR ACTUATOR. RH SIDE PER AMM 21-51-21 OPS CHECK GOOD RH PACK LIGHT DID NOT RETURN.

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