Service difficulty report · Trunnion · Doug MD11F

Difficulty date
January 11, 2021
Submitted
January 28, 2021
Operation
Air carrier
Aircraft
N621FE
Make and model
Doug MD11F
Aircraft serial
48792
Aircraft time
64,584 hours, 16,447 cycles
Part
Trunnion
Part number
ACA7017501
Condition
Cracked
Location
Nlg
Stage of operation
IN
How discovered
U
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 HFEC INSPECTION AT LEFT HAND NOSE LANDING GEAR TRUNNION FITTING CRACK FOUND EXTENDING UPWARD AFTER THE REPAIR FILLER APPROXIMATELY 0.2 INCHES AT APPROXIMATELY STATION 583. LEFT HAND NOSE LANDING GEAR TRUNNION FITTING CRACK 0.2 INCHES EXTENDING UPWARD ON EXISTING REPAIR FILLER AT STATION 583 , STOP DRILL THE END OF CRACK CARRIED OUT AS PER SRM 53-10-14 REPAIR 2 FIGURE 203 . INITIAL INSPECTION TO BE CARRIED OUT EVERY 250 FLIGHT CYCLES AFTER REPAIR AND REPETITIVE INSPECTION TO BE CARRIED OUT EVERY 250 FLIGHT CYCLES AS PER SRM 53-10-14 TABLE 201 , FIGURE 203 REPAIR 2 . REPAIR CLASSIFIED AS MAJOR PER GMM 6-2-100.

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