# SDR ASAA2015111113729

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 11, 2015
- Submitted: November 13, 2015
- Operation: Air carrier
- Aircraft: [N519AS](https://openairdocs.org/aircraft/N519AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 36482
- Aircraft time: 26,006 hours, 7,819 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Actuator
- Part number: 5416744
- Part serial: 1087710
- Condition: Faulted
- Location: Ram Air
- Part time: 7,281 hours, 2,243 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2015111113729

## Discrepancy

LEFT PACK LIGHT ON RECALL.  PACK OPERATES NORMALLY.  ACFT GROUNDED.   NR 1 PACK/ZONE CONTROLLER LOGGED RAM AIR ACT FAULT.  REPLACED NR 1 RAM AIR ACTUATOR, REF AMM 21-51-21.

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