# SDR CALA2026021713841

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 15, 2026
- Submitted: February 17, 2026
- Operation: Air carrier
- Aircraft: [N29971](https://openairdocs.org/aircraft/N29971), registered now
- Make and model: Boeing 787-9
- Registry model: [Boeing 787-9](https://openairdocs.org/model/boeing-787-9) (OpenAirDocs)
- Aircraft serial: 60147
- Aircraft time: 38,816 hours, 3,685 cycles
- System (JASC): [7510 · Engine Anti-Icing System](https://openairdocs.org/jasc/7510)
- Part: Anti-Ice Valve
- Condition: Faulted
- Location: Nr 2 Engine
- Part time: 47,445 hours, 5,027 cycles
- Stage of operation: TO
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A, D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026021713841

## Discrepancy

RIGHT ENGINE ANTI-ICE ADVISORY FAILURE OF EITHER LT ENGINE ANTI-ICE (EAI) VALVE TO THE CLOSED POSITION. DB 30 WWFDS EAI CIPS OPS (LEFT)CYCLE BREAKER, PERFORMED EAI SYSTEM TEST , REF FIM DMC-B787-A-30-20-F1-05A-421A-A TEST FAILED, MAINT MESSAGE 30-10022.  REMOVED ENGINE ANTI-ICE PRESSURE REGULATING & SHUTOFF VALVE IAW AMM 30-21-08. REMOVED ANTI-ICE VALVE CONTROLLER.  BOLT  BROKE ON THE MOUNTING BRACKET OF EAI HOT AIR INTAKE DUCT. REMOVED BROKEN BOLT AND CLEANED THREADS FROM UPPER AFT MOUNTIG BRACKET. REMOVED AND REPLACED NR 2 ENGINE ANTI-ICE VALVE COMPLETED REACTIVATION PER AMM DMC-B787-A-30-21-08-00B-720A-A THROUGH STEP D.

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