Service difficulty report · Support Fitting · Doug MD11F

Difficulty date
January 18, 2019
Submitted
January 29, 2019
Operation
Air carrier
Aircraft
N621FE
Make and model
Doug MD11F
Aircraft serial
48792
Aircraft time
59,951 hours, 15,085 cycles
Part
Support Fitting
Part number
ARC70561
Condition
Corroded
Location
Te Flap
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

RIGHT HAND WING OUTBOARD FLAP VANE HORN FITTING 'F' ECCENTRIC HOLE BORE CORROSION CORROSION AT RIGHT HAND WING OUTBOARD FLAP VANE HORN FITTING 'F' ECCENTRIC HOLE BORE REWORKED AND FOUND EXCEED LIMIT AS PER SRM 57-50-02-2R FIGURE 201. EXISTING ECCENTRIC HOLE: LENGTH 0.886" X WIDTH 0.633", FINAL ECCENTRIC HOLE: LENGTH 0.964" X 0.700". MAXIMUM ECCENTRIC REPAIR LIMIT : LENGTH 0.940" X WIDTH 0.670". OVERSIZED ECCENTRIC BUSHING FABRICATED BY MACHINING AS PER EA 1-5750-T0344690 PART 1. TITLE: WINGS-FLIGHT SURFACES- RT WING -OUTBD FLAP VANE ASSY- TRACK SUPPORT FITTINGS CORROSION REPAIR. REPAIR CLASSIFIED AS MINOR PER GMM 6-2-100. REFER TO EA 1-5750-T0344690 P1 AND SNRM NO: N00789 FOR WORK DETAILS.

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