Service difficulty report · Actuator · Boeing 777222

Difficulty date
February 20, 2024
Submitted
February 27, 2024
Operation
Air carrier
Aircraft
N795UA
Make and model
Boeing 777222
Aircraft serial
26927
Aircraft time
104,169 hours, 13,899 cycles
Part
Actuator
Part number
30420003
Part serial
1228
Condition
Inoperative
Location
Steering Unit
Part time
68,058 hours, 7,628 cycles
Stage of operation
TO
How discovered
O
Nature of condition
J
Precautionary procedure
C

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

What was found

CONFIGURATION GEAR LOW SPEED ABORT MAIN GEAR STEERING ST REQUIRE MEL FOR THE MAIN GEARS STEERING PULLED C/B ON PANEL P110 N27 FOR THE MEL SPEED WAS NORMAL. COMPLIED WITH MEL SPEED BELOW 40KNOTS AND BRAKE IS READING ZERO AND COLD. APPROVED FOR MEL 3253A MMSG 32-63020 MG STEERING POWER CONTROL ACTUATOR (RIGHT) IS UNSERVICEABLE. REPLACED RH MLG STEERING/LOCKING POWER CONTROL ACTUATOR. REF AMM32-53-03. PERFORMED OPERATIONAL CHK AND LEAK CHECK, SATISFACTORY. REF AMM 32-53-03. REVERSED MEL.