Service difficulty report · Support Fitting · Doug MD11F

Difficulty date
January 18, 2019
Submitted
January 25, 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
ARC70541
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

LEFT HAND WING OUTBOARD FLAP VANE HORN FITTING 'E' ECCENTRIC HOLE BORE CORROSION CORROSION AT LEFT HAND WING OUTBOARD FLAP VANE HORN FITTING 'E' ECCENTRIC HOLE BORE REWORKED AND FOUND EXCEED LIMIT AS PER SRM 57-50-02-2R FIGURE 201. EXISTING ECCENTRIC HOLE: LENGTH 0.865" X WIDTH 0.585", FINAL ECCENTRIC HOLE: LENGTH 1.026" X WIDTH 0.738". MAXIMUM ECCENTRIC REPAIR LIMIT : LENGTH 0.940" X 0.670" WIDTH. OVERSIZED ECCENTRIC BUSHING FABRICATED BY MACHINING AS PER EA 1-5750-T0344707 PART 1 STEP 1 A. TITLE: WINGS-FLIGHT SURFACES-EO 1-5750-7-5002- LT WING - OUTBD FLAP VANE ASSY- MISSING ID PLATE AND TRACK SUPPORT CORROSION REPAIR. REPAIR CLASSIFIED AS MINOR PER GMM 6-2-100. REFER TO EA 1-5750-T0344707 PART 1 AND SNRM NR: N00778 FOR WORK DETAILS.

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