# SDR CALA2025121512132

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 13, 2025
- Submitted: December 15, 2025
- Operation: Air carrier
- Aircraft: [N17963](https://openairdocs.org/aircraft/N17963), registered now
- Make and model: Boeing 787-9
- Registry model: [Boeing 787-9](https://openairdocs.org/model/boeing-787-9) (OpenAirDocs)
- Aircraft serial: 37812
- Aircraft time: 46,661 hours, 4,387 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Actuator
- Part number: 7010068H04
- Part serial: HSC248454
- Condition: Faulty
- Location: Deflector Door
- Part time: 50,314 hours, 6,444 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2025121512132

## Discrepancy

LEFT PACK EICAS ON CLIMBOUT DIDNT RESET.   UPON AIRCRAFT ARRIVAL FOUND LEFT RAM AIR DOOR CLOSED.  PERFORMED GROUND TEST PER FIM 21-50-F1-36A-421A,GROUND TEST FAILED &. FOUND THE FOLLOWING CODES 21-61631,21-61611. SUSPECT LT CABIN AIR COMPRESSOR INLET DEFLECTOR DOOR ACTUATOR FAULTY.  REMOVED AND REPLACED L CABIN AIR COMPRESSOR INLET DEFLECTOR DOOR ACTUATOR REF. AMM B787-A-21-51-16-00A, OPS CHECK GOOD.

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