Service difficulty report · Actuator · Boeing 7378H4

Difficulty date
December 7, 2025
Submitted
December 9, 2025
Operation
Air carrier
Aircraft
N8630B
Make and model
Boeing 7378H4
Aircraft serial
42521
Aircraft time
38,932 hours, 18,949 cycles
Part
Actuator
Condition
Faulted
Location
Zone 700
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

ON TAKE OFF LEFT MAIN GEAR INDICATIONS DID NOT GO OUT. WITH HANDLE IN UP RED LEFT GEAR LIGHTS STAYED ILLUMINATED. WITH HANDLE IN OFF RED & GREEN LEFT GEAR LIGHTS STAYED ILLUMINATED. OK TO CONTINUE IAW [MEL 32-16-01. REMOVED AND REPLACED LMLG RETRACT PRESSURE FUSE IAW AMM 32-32-21. LEAK CHECKED GOOD. DID NOT FIX. R & R LT MLG DOWNLOCK ACTUATOR AND PERFORMED OPS/LEAK CHECKS, ALL CHECKS GOOD IAW AMM 32-32-51. PERFORMED MLG TEST-COMPONENT REPLACEMENT ALL TESTS GOOD IAW AMM 32-32-00.

More about the Boeing 737-8H4