# SDR AALA20150311019

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 11, 2015
- Submitted: March 12, 2015
- Operation: Air carrier
- Aircraft: [N808NN](https://openairdocs.org/aircraft/N808NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 33206
- Aircraft time: 17,598 hours, 6,840 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Switch
- Part number: 1173T111
- Condition: Faulty
- Location: Ac Bay
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20150311019

## Discrepancy

AIR INTERRUPT, EMER DECLARED, LANDING UNEVENTFUL & ACFT WAS NOT OVERWEIGHT.  DURING CLIMB OUT AT FL180, THE RT PACK ILLUMINATED & DID NOT EXTINGUISH AFTER RESET BUTTON PRESSED, ACFT RETURNED.  REPLACED RT TURBINE INLET OVERHEAT SWITCH IAW AMM 21-52-41. REPLACED RT COMPRESSOR DISCHARGE OVERHEAT SWITCH IAW AMM 21-51-40.  ALSO REFERENCE SDR AALA20150312006.

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