# SDR ASAA2016061617056

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 16, 2016
- Submitted: June 20, 2016
- Operation: Air carrier
- Aircraft: [N586AS](https://openairdocs.org/aircraft/N586AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35189
- Aircraft time: 33,423 hours, 10,233 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Actuator
- Part number: 5416744
- Part serial: 12344
- Condition: Failed
- Location: Ecs Bay
- Part time: 33,453 hours, 10,247 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2016061617056

## Discrepancy

LEFT PACK LIGHT ILLUMINATED ON RECALL; EXTINGUISHES UPON MASTER CAUTION RESET.  ACFT GROUNDED.  CONFIRMED DEFECT, BITE OF LT PACK ZONE TEMP CONTROL IAW FIM 21-62, TASK 801 SHOWED RAM AIR ACTUATOR FAULT.   ACCOMPLISHED T/S FOR RAM AIR ACTUATOR FAULT IAW FIM 21-62, TASK 837.  VERIFY TEST CONFIRMED FAULT 2 OUT OF THE 3 TIMES IT WAS RUN.  REMOVED, REPLACED, AND TESTED LT RAM AIR ACTUATOR IAW AMM 21-51-21-000-801 AND AMM 21-51-21-400-801.  OPS NORMAL.  PERFORMED PACK ZONE TEMP CONTROL TEST IAW AMM 21-61-00-700-806-002 - TEST PASSES WITH NO FAULTS.

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