# SDR CALA2025031702868

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 12, 2025
- Submitted: March 17, 2025
- Operation: Air carrier
- Aircraft: [N776UA](https://openairdocs.org/aircraft/N776UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26937
- Aircraft time: 105,628 hours, 19,371 cycles
- System (JASC): [3250 · Landing Gear Steering System](https://openairdocs.org/jasc/3250)
- Part: Actuator
- Condition: Locked
- Location: Nlg Steering
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2025031702868

## Discrepancy

MAIN GEAR STEERING EICAS FAULT CODE. MAIN GEAR STEERING ACTUATORS LOCKED, BREAKER N27 ON P110 PANEL COLLARED. REQUEST MEL.   MAIN GEAR STEERING SYSTEM INOP. MEL APPLIED *DM* REF. MX FAULT CODE 32-63020 FIM 32-53 TASK 810 FOR FAULT ISOLATION ADDING MGSCU AND PCA TO M&L IN CASE NEEDED. PER FIM 32-53 TASK 810 PERFORMED STEP E. OPS CHECK GOOD, NO STEERING MESSAGES ACTIVE OR LATCHED.  REVERSED MEL AS REQUIRED.

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