SDR FDEA201203191006

Service difficulty report · Hinge Fitting · Doug MD11F

Difficulty date: March 19, 2012
Submitted: April 4, 2012
Operation: Air carrier
Aircraft: N576FE
Make and model: Doug MD11F
Aircraft serial: 48501
Aircraft time: 64,304 hours, 13,588 cycles
System (JASC): 5744 · Wing, Control Surface Attach Fittings
Part: Hinge Fitting
Part number: ARC050311
Condition: Corroded
Location: Zone 500
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

LEFT WING OTBD FLAP, OTBD FORWARD HINGE BRACKET LOWER OTBD STUD HOLE FOUND CORRODED. REPAIRED EA 1-5750-157156, PART 1, STEPS 1, 3, AND 6. EXISTING HOLE DIAMETER 0.590", FINAL DIAMETER 0.631", MAXIMUM ALLOWABLE DIAMETER 0.584", REPAIR BUSHING AND WASHER FABRICATED AND INSTALLED IAW EA 1-5750-157156, PART 1 STEPS 4 AND 5. REPAIR CLASSIFIED AS MAJOR IAW GMM 6-2-100, REV 114.

More about the Doug MD-11F