Service difficulty report · Steering Sys · Boeing 777224

Difficulty date
June 14, 2023
Submitted
June 22, 2023
Operation
Air carrier
Aircraft
N78017
Make and model
Boeing 777224
Aircraft serial
31679
Aircraft time
99,383 hours, 10,011 cycles
Part
Steering Sys
Part number
UNKNOWN
Condition
Inoperative
Location
Main Gear
Stage of operation
TO
How discovered
O
Nature of condition
O
Precautionary procedure
C

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

CONFIG GEAR STEERING ON TAKEOFF REQUEST MEL 3253A FOR MAIN GEAR STEERING SYSTEM. DEFERRED MLG STEERING INOP PER MEL 3253A. DDP C/W. MEL 3253A APPROVED. DDP C/W. BOTH MLG STEERING LOCKED IN OFF POSITION & C/B N27 UPDATE FOR MM PULLED & COLLARED ON P-110 C/B PANEL. ADD FAULT: 32-63010 RETURNED MAIN LANDING GEAR STEERING TO NORMAL AND RESET CB N27 ON P110 FOLLOWING FIM 32-53 TASK 805 FOUND MESSAGE TO HAVE OCCURED DURING ENGINE START PER FIM THIS ENDS TROUBLESHOOTING. NO ACTIVE STATUS MESSAGE OR EXISTING FAULTS UNDER ATA 32. ADD EMP:U377301