# SDR ASAA2020022763281

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 26, 2020
- Submitted: February 27, 2020
- Operation: Air carrier
- Aircraft: [N442AS](https://openairdocs.org/aircraft/N442AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 43293
- Aircraft time: 24,660 hours, 7,951 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Controller
- Condition: Inoperative
- Location: Pack Temp
- Stage of operation: TX
- 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/ASAA2020022763281

## Discrepancy

AFTER PUSHBACK ON RECALL RIGTHT PACK LIGHT ILLUMINATED LIGHT EXT WITH MASTER CAUTION RECALL. GROUNDED - YES. RELEASED PER MEL 21-32B RIGHT LAND PACK PRIMARY TEMP CONTROL INOP. FOUND PACK LT NOT ILLUMINATED ON RECALL BUT FLT DECK ZONE TEMP ON RECALL. RT PACK LOGGED TRIM VALVE FAULT. PERFORMED B737-900 FIM 21-62 TASK 833 & FAULT CLEARED. CLEARS MEL 21-32B CREW PLAC REMOVED GND VERIFICATION GOOD.

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