# SDR ASAA2013071895635

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 18, 2013
- Submitted: July 23, 2013
- Operation: Air carrier
- Aircraft: [N506AS](https://openairdocs.org/aircraft/N506AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35690
- Aircraft time: 19,530 hours, 6,107 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Module
- Part number: 6937319312
- Part serial: D05939
- Condition: Failed
- Location: Flight Deck
- Part time: 19,534 hours, 6,109 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/ASAA2013071895635

## Discrepancy

LEFT PACK LIGHT ILLUMINATED.  PACK SWITCH PLACED OFF IAW QRH.  ACFT GROUNDED.  ACCOMPLISHED LT AND RT PACK ZONE TEMP CONTROLLER BITE REF FIM 21-62, TASK 801.  NO FAULTS LOGGED.  RAN LT PACK FOR 40 MINUTES.  NO PACK LIGHT NOTED.  DUE TO HISTORY IAW SEAM C, R & R A/C MODULE IAW AMM TASK 21-51-65-000-801 AND 21-51-65-400-801.  INSTALLATION TEST PASSED IAW SAME.  ETOPS SIGNIFICANT SYS VERIFIED.

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