# SDR CALA2024071502030

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 13, 2024
- Submitted: July 15, 2024
- Operation: Air carrier
- Aircraft: [N774UA](https://openairdocs.org/aircraft/N774UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26936
- Aircraft time: 102,343 hours, 19,218 cycles
- System (JASC): [3250 · Landing Gear Steering System](https://openairdocs.org/jasc/3250)
- Part: Steering Sys
- Condition: Malfunctioned
- Location: Nlg
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2024071502030

## Discrepancy

MAIN GEAR STEERING EICAS ADVISORY EITHER MAIN GEAR AFT AXLE IS INDICATING- NOT LOCKED WHEN IT SHOU LD BE LOCKED. FOUND MX MSG ON INBOUND FLIGHT DECK EFFECT MX MSG# 32-63010 MG ON MEL VERIFIED BOTH PCA''S ARE LOCKED AND DISABALED PULLED AND COLLARED MAIN GEAR STEERING ON MEL STEERING PCA LEFT IS UNSERVICEABLE NEED PLACE MAIN GEAR STEERING C/B N27 ON P110 FOR DEACTIVIATON OF MAIN GEAR STEERING. PLACED TOMC APPROVES THE USE OF MEL 3253A

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