# SDR ASAA2017050120593

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 1, 2017
- Submitted: May 5, 2017
- Operation: Air carrier
- Aircraft: [N468AS](https://openairdocs.org/aircraft/N468AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41735
- Aircraft time: 11,296 hours, 3,808 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Actuator
- Part number: 676000141
- Part serial: 676000142480
- Condition: Failed
- Location: Ac Bay
- Part time: 11,326 hours, 3,821 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/ASAA2017050120593

## Discrepancy

RIGHT PACK LIGHT ILLUMINATES ON MASTER CAUTION RECALL. RIGHT PACK LIGHT TURNS OFF WITH MASTER CAUTION RESET. GROUNDED - YES. WHILE ON MEL, CLIMBING THROUGH FL280 RIGHT PACK LIGHT ILLUMINATED. RESET SEVERAL TIMES - LIGHT RE-ILLUMINATED. CONTINUED SINGLE PACK. QRH. REPLACED THE RT RAM AIR INLET ACTUATOR PER AMM 21-51-21-400-801. RAM AIR ACTUATOR TEST IS GOOD.

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