# SDR ASAA2017101422191

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 14, 2017
- Submitted: October 16, 2017
- Operation: Air carrier
- Aircraft: [N532AS](https://openairdocs.org/aircraft/N532AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 36346
- Aircraft time: 28,503 hours, 8,499 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Warning Light
- Condition: Illuminated
- Stage of operation: NR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2017101422191

## Discrepancy

LEFT PACK ANNUNCIATOR ACTIVATED DURING RECALL.  ACFT GROUNDED.  RAN THE LT PACK AND PACK LIGHT DID NOT COME ON,  INTERMITTENT FAULT IAW FIM 21-53, TASK 809.  PERFORMED BITE OF PACK ZONE TEMP CONTROLLER AND BITE SHOWED A FAULT FOR THE RAM AIR ACTUATOR. NO FAULTS FOUND ON PREVOUS FLT,  VERIFY PASSED AND FAULT RESET IAW AMM 21-61-00-700-806-002.

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