# SDR ASMF20170301004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 22, 2017
- Submitted: March 1, 2017
- Operation: Air carrier
- Aircraft: [N783AM](https://openairdocs.org/aircraft/N783AM), registered now
- Make and model: Boeing 787-8
- Registry model: [Boeing 787-8](https://openairdocs.org/model/boeing-787-8) (OpenAirDocs)
- Aircraft serial: 37167
- Aircraft time: 5,498 hours, 697 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Compressor
- Part number: 7010101H09
- Part serial: 4548290
- Condition: Inoperative
- Location: Ac Bay
- Part time: 5,861 hours, 748 cycles
- Stage of operation: DE
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASMF20170301004

## Discrepancy

CAPTAIN REPORTED THAT DURING DESCENT, THE CAC R1 WAS DEFERRED AND THE CAC R2 WAS INOPERATIVE. MAINTENANCE PERSONNEL PERFORMED VISUAL INSPECTION OF CAC R2 AREA IAW DMC B787-A-21-51-19-03A-520A, DETECTING A PUNCTURE HOLE ON CAC CASE BODY, AN AIR DUCT BURST AND PRESSURE SENSOR TUBE BROKEN; SO THE CAC R2, AIR DUCTS AND PRESSURE SENSOR TUBE WERE REPLACED IAW DMC B787-A-21-51-19-03A-720A AND CMCF GROUND TEST OF RIGHT CABIN AIR CONDITIONAL TEMP CONTROL SYSTEM TEST AND RIGHT PACK SYSTEM AIR CONDITION TEST WERE PERFORMED IAW DMC B787-21-51-19, TESTED CORRECT.

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