# SDR CALA2026073118132

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 28, 2026
- Submitted: July 31, 2026
- Operation: Air carrier
- Aircraft: [N15969](https://openairdocs.org/aircraft/N15969), registered now
- Make and model: Boeing 787-9
- Registry model: [Boeing 787-9](https://openairdocs.org/model/boeing-787-9) (OpenAirDocs)
- Aircraft serial: 60142
- Aircraft time: 44,856 hours, 4,368 cycles
- Engine: GENX1B76A
- System (JASC): [7320 · Fuel Controlling System](https://openairdocs.org/jasc/7320)
- Part: Eec
- Part number: 2447M85P04
- Part serial: 7138
- Condition: Faulted
- Location: Nr 2 Engine
- Part time: 30,446 hours, 3,523 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/CALA2026073118132

## Discrepancy

ENG OVSPD PROT SYS R RIGHT ENGINE OVERSPEED PROTECTION SYSTEM IN THE EEC FAILED SELF TEST. DB ELECTRONIC ENGINE CONTROL CHAN-A (RIGHT ENG) PERFORMED ENGINE NR 2 IDLE RUN REF MAINTENANCE MESSAGE 75-13682 - FAULT ISOLATION REFERENCE: DMC-B787-A-G75-00-F0-08A-421A-A COMPLIED WITH STEP 1.A UP TOP INCLUDING STEP 1.A(5)...NO ACTIVE OR FAULTS NOTED. REQUIRES 8 TECH HOURS, UPDATING LABOR HOURS FOR INFO ONLY. INFO ONLY REMOVED AND REPLACED EEC, AS PERCAUTION. REF AMM DMC-B787-A-G73-21-05-00A-720A-A. SOFTWARE CHECK GOOD AND GROUND TEST PASSED.  C/W IDT ON INSTALLATION OF E2 EEC PER AMM B787-A-G73-21-05-00A-720A-A.

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