# SDR ASAA2020093033259

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 30, 2020
- Submitted: October 3, 2020
- Operation: Air carrier
- Aircraft: [N518AS](https://openairdocs.org/aircraft/N518AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35693
- Aircraft time: 42,949 hours, 12,749 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Actuator
- Part number: 5416744
- Part serial: 442693
- Condition: Faulty
- Location: Ram Air Inlet
- Part time: 3,098 hours, 898 cycles
- 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/ASAA2020093033259

## Discrepancy

PACK LIGHT ILLUM DURING RECALL.  RESETS W/ MASTER CAUTION RESET.  GROUNDED-YES.  RELEASED PER MEL 21-32B.  RT PACK PRIM CONTROLLER AUTHORIZED BY SEAMC RON.  PERFORMED ZONE TEMP CONTROL BITE TEST, NR 2 ZTC FAULTED THE RT RAM AIR DOOR ACTUATOR.  A/C HAS HISTORY ON 21 SEP.  REPLACED RT RAM AIR DOOR ACTUATOR WITH NEW.  FAULT CLEARED AND OPERATIONS CHK GOOD, REF B737-800 AMM 21-61-00 AND 21-51-21.

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