# SDR CALA2026082118788

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 20, 2026
- Submitted: August 21, 2026
- Operation: Air carrier
- Aircraft: [N14019](https://openairdocs.org/aircraft/N14019), registered now
- Make and model: Boeing 787-10
- Registry model: [Boeing 787-10](https://openairdocs.org/model/boeing-787-10) (OpenAirDocs)
- Aircraft serial: 66988
- Aircraft time: 16,997 hours, 2,098 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Actuator
- Part number: 221310
- Part serial: 2266
- Condition: Faulty
- Location: Nr 7 Brake
- Part time: 14,321 hours, 1,801 cycles
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026082118788

## Discrepancy

AHM DETECTED MMSG 32-45367, WHEEL 7 ELECTRIC BRAKE ACTUATOR 3 MOTOR WIRE OR LOAD CELL SIGNALS FAILED, LAST 3 OUT OF 4 LEGS WITH EBAC FAULT, REPORT CODE 5,  MONITOR CODE 6263. IAW FIM DMC-B787-A-32-40-F1-FAA-421A-A TO CONFIRM FAULT. CON'T ISOLATION. CARRIED BY ELB PERFORMED RELEASED AND SET BRAKE SEVERAL TIMES IAW AMM 32-45-01 AND FIM 32-40-F1-FAA-420A,  VERIFIED NR 7 EBA DID NOT FOLLOW COMMAND.  FAULT CONFIRMED, AFTER PERFORMING ACTUATION TEST, LOUD SQUEEKING NOISE COMING FROM BRAKE ACTUATOR. PRESSURE WOULD INCREASE UP TO 55 THEN BACK DOWN TO 0. SUSPECT BAD NR 3 BRAKE ACTUATOR.  WORK DONE IAW FIM DMC-B787-A-32-40-F1-FAA-421A-A. R & R NR 7 WHEEL, NR 3 EBA IAW AMM 32-45-08. PERFORMED LRU REPLACEMENT, TEST PASSED.

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