Service difficulty report · Trunnion · Boeing 747412

Difficulty date
August 2, 2025
Submitted
August 4, 2025
Operation
Air carrier
Aircraft
N471MC
Make and model
Boeing 747412
Aircraft serial
26557
Aircraft time
95,306 hours, 15,619 cycles
Part
Trunnion
Condition
Damaged
Location
Zone 100
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

LH BODY GEAR TRUNNION FITTING FWD MOUNTING HOLE INNER BORE HAS SCORING(<P>REMOVED SCORING PER EA 747 5340-28-B0438 REV 1 & SRM 53-40-90. NO FURTHER DEFECTS NOTED.</P>)