# SDR CALA2023060501751

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 1, 2023
- Submitted: June 5, 2023
- Operation: Air carrier
- Aircraft: [N26902](https://openairdocs.org/aircraft/N26902), registered now
- Make and model: Boeing 787-8
- Registry model: [Boeing 787-8](https://openairdocs.org/model/boeing-787-8) (OpenAirDocs)
- Aircraft serial: 34822
- Aircraft time: 40,994 hours, 5,093 cycles
- System (JASC): [3100 · Indicating/Recording System](https://openairdocs.org/jasc/3100)
- Part: Control Module
- Part number: 182558001
- Part serial: 071200079
- Condition: Damaged
- Location: Main E&E
- Part time: 40,993 hours, 5,093 cycles
- Stage of operation: CL
- How discovered: V
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2023060501751

## Discrepancy

CCR POWER CONTROL MODULE ANY POWER CONTROL MODULES (PCMS) IN EITHER LEFT AND RIGHT COMMON COMPUTING RESOURCE (CCR) HAS FAILED WITH ANY ONE OR MORE OF THE FOLLOWING CONDITIONS:1) ANY OF THE PCM FUNCTIONS/OUTPUTS IS AFF ECTED. REPLACED LEFT CCR FAN AND CABINET AS AN ASSEMBLY. REMOVED AND REPLACED L CCR PCM2.  GROUND TEST GOOD NO FUTHER FAULT NOTED AT THIS TIME.

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