# SDR ASAA2021112636707

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 26, 2021
- Submitted: November 30, 2021
- Operation: Air carrier
- Aircraft: [N433AS](https://openairdocs.org/aircraft/N433AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41704
- Aircraft time: 30,319 hours, 9,635 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: DE
- How discovered: V
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2021112636707

## Discrepancy

ON DESCENT, PACK LIGHT CAME ON WITH MASTER CAUTION RECALL. EXTINGUISHED WHEN MASTER CAUTION RESET. GROUNDED - YES. ACCOMPLISHED PACK/ZONE TEMP CONTROLLER BITE. #2 CONTROLLER SHOWED FAULT FOR SRADA EXIT. FAULT CLEARED. REACCOMPLISHED BITE. NO FAULTS NOTED. OK FOR SERVICE.

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