# SDR ASAA2014073008720

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 30, 2014
- Submitted: August 5, 2014
- Operation: Air carrier
- Aircraft: [N577AS](https://openairdocs.org/aircraft/N577AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35186
- Aircraft time: 28,159 hours, 8,438 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Actuator
- Part number: 5416744
- Part serial: 9083
- Condition: Malfunctioned
- Location: Ram Air
- Part time: 41,983 hours, 16,544 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/ASAA2014073008720

## Discrepancy

RT PACK LIGHT ILLUMINATED ON RECALL.  ACFT GROUNDED.  NR 2 PACK/ ZONE TEMP CONTROLLER BITE TEST REF AMM TASK 21-61-00 SHOWS NUMEROUS RAM AIR ACT FAULTS. R & R RT PACK RAM AIR ACTUATOR AS PRECAUTIONARY REF AMM 21-51-21. ACCOMPLISHED FIM 21-62 TASK 836 & AMM 21-51-00 RT PACK RAM AIR ACTUATOR FAULT ISOLATION AND PACK/ZONE TEMP CONTROLLER BITE TEST NORMAL.

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