# SDR CALA2025120511813

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 3, 2025
- Submitted: December 5, 2025
- Operation: Air carrier
- Aircraft: [N17002](https://openairdocs.org/aircraft/N17002), registered now
- Make and model: Boeing 787-10
- Registry model: [Boeing 787-10](https://openairdocs.org/model/boeing-787-10) (OpenAirDocs)
- Aircraft serial: 40930
- Aircraft time: 28,630 hours, 3,906 cycles
- Engine: GENX1B
- System (JASC): [7510 · Engine Anti-Icing System](https://openairdocs.org/jasc/7510)
- Part: Anti-Ice Valve
- Part number: 7011101H02
- Part serial: 8408
- Condition: Faulted
- Location: Nr 2 Engine
- Part time: 47,729 hours, 5,224 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/CALA2025120511813

## Discrepancy

STS MESSAGE ENG ANTI ICE PRSOV RT,   DEFERRED RT ENG A/I PRSOV PER  MEL 3021BF.  MAINTENANCE PROCEDURE C/W,  CONTROLLER AND VALVE, IAW MBF MAINT MSG 30-10022 AND FIM 30-20-F1-05A-421A, ALONG WITH WIRE CHECKS SHOWS.  REMOVED NR 2 ENG ANTI-ICE PRESSURE REGULATING & SHUTOFF VALVE IAW DMC-B787-A-30-21-08-00B-520A-A,  INSTALLED A NEW ANTI-ICE PRSOV RT ENGINE UP TO AND INCLUDING STEP 1. C. (3) (A) REF AMM DMC-B787-A-30-21-08-00B-720A-A.  CONTINUE AT STEP 1. C. (4).ENGINE 2 ANTI-ICE SYSTEM TEST PASSED REF AMM DMC-B787-A-30-21-00-20E-300B-A. NO FAULTS NOTED.

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