# SDR ASAA2020011531860

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 12, 2020
- Submitted: January 16, 2020
- Operation: Air carrier
- Aircraft: [N459AS](https://openairdocs.org/aircraft/N459AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36352
- Aircraft time: 23,408 hours, 7,526 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Actuator
- Part number: 676000141
- Part serial: 676000141571
- Condition: Inoperative
- Location: Ram Air Inlet
- Part time: 23,418 hours, 7,531 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2020011531860

## Discrepancy

RT PACK ILLUMINATES ON RECALL; EXTINGUISHES WHEN MASTER CAUTION LIGHT IS PRESSED. GROUNDED - YES. REPLACED THE RT PACK EXHAUST SRADA, OPS CHECK GOOD AND NO ACTIVE FAULTS ON PZTC BITE, REF AMM 21-51-27/401. A/C RELEASED FROM MEL 21-32B, NO CONFIG CHANGES, REMOVED PLACARDS AND C/N 12035459.

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