SDR TWAA9806414

Service difficulty report · Casting · Doug DC933F

Difficulty date: April 21, 1998
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N937F
Make and model: Doug DC933F
Aircraft serial: 47409
System (JASC): 5744 · Wing, Control Surface Attach Fittings
Part: Casting
Condition: Corroded
Location: Rt Wing
Stage of operation: IN
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

MCI - DURING OP 16 MAINTENANCE CHECK, FOUND RT WING TE REAR SPAR NR 2 FLAP HINGE CASTING, UPPER INBD AND OTBD MOUNT HOLES WITH CORROSION ABOVE HOLES. REMOVED CORROSION. STOP DRILLED CRACK WITH .25 INCH. INSTALLED FILLER IN BLENDED OUT AREA. INSTALLED DOUBLERS PER ATA 10992 AND DWG J060272. ACFT TT: 70,506 HOURS. ACFT TC: 66,322. (X)

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