Service difficulty report · Trunnion · Doug MD11F

Difficulty date
July 25, 2025
Submitted
July 25, 2025
Operation
Air carrier
Aircraft
N613FE
Make and model
Doug MD11F
Aircraft serial
48749
Aircraft time
84,725 hours, 20,857 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 NOSE LANDING GEAR LEFT HAND TRUNNION FITTING AT STATION 595 EXISTING REPAIR SLOT OUT AREA FOUND LONGERON 49 LEFT HAND SIDE WITH CRACK APPROXIMATELY 0.125". (REFER TO SPECIAL/NONROUTINE MAINTENANCE FORM #N00213). CRACKED LONGERON 49LEFT AT NOSE LANDING GEAR LEFT HAND TRUNNION FITTING STATION 595 AREA REMOVED AND REPLACED WITH FABRICATED LONGERON AS PER MD-11 SRM 51-35-01- 0G AND MD-11 SRM 51-33-01-0G. LONGERON FABRICATED AS PER DOUGLAS DRAWING ACA3796 REVISION A. REPAIR CLASSIFIED AS MAJOR PER GMM 6-2-100.

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