Service difficulty report · Trunnion · Doug MD11F

Difficulty date
August 16, 2025
Submitted
August 18, 2025
Operation
Air carrier
Aircraft
N522FE
Make and model
Doug MD11F
Aircraft serial
48476
Aircraft time
92,612 hours, 18,633 cycles
Part
Trunnion
Part number
ACA37961
Condition
Cracked
Location
Zone 100
Stage of operation
IN
How discovered
E
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

DURING HIGH FREQUENCY EDDY CURRENT INSPECTION ON THE LEFT HAND NOSE LANDING GEAR TRUNNION LONGERON SURFACE FOUND CRACK INDICATION APPROXIMATELY 0.25 INCH IN LENGTH AT STATION 583 X=24. LEFT HAND NOSE LANDING GEAR TRUNNION CRACKED LONGERON STATION 583 X=24 REMOVED AND REPLACED AS PER MD-11 SRM 51-35-01-0G WITH FABRICATED LONGERON AS PER DOUGLAS DRAWING ACA3796 REVISION A. REPAIR CLASSIFIED AS MAJOR AS PER GMM 6-2-100.

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