Service difficulty report · Attach Fitting · Doug MD11F

Difficulty date
April 14, 2012
Submitted
April 24, 2012
Operation
Air carrier
Aircraft
N577FE
Make and model
Doug MD11F
Aircraft serial
48469
Aircraft time
60,991 hours, 13,172 cycles
Part
Attach Fitting
Part number
ACA70171
Condition
Cracked
Location
Mlg Trunnion
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 AROUND STOP DRILL HOLE OF LT NOSE LANDING GEAR TRUNNION FITTING FOUND ONE NEW ADDITIONAL CRACK PROPAGATED FROM THE STOP DRILL HOLE TOWARDS THE LOWER EDGE, APPROX 0.25". REPAIR CARRIED OUT AT LT NLG TRUNNION FITTING CRACKED AREA IAW SRM 53-10-14, REPAIR 2, FIG 202 REV 49. INITIAL INSP TO BE CARRIED OUT EVERY 1500 FLIGHT CYCLES AND REPETITIVE INSP EVERY 1500 FLIGHT CYCLES. INITIAL AND REPETITIVE INSP TO BE CARRIED OUT IAW SRM 53-10-14, TABLE 201, REPAIR 2 WORK INSTRUCTION. REPAIR CLASSIFIED MAJOR IAW GMM 6-2-100, REV 114.

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