SDR TWAA0006601

Service difficulty report · Casting · Doug DC931

Difficulty date: April 20, 2000
Submitted: April 28, 2000
Operation: Air carrier
Aircraft: N984Z
Make and model: Doug DC931
Aircraft serial: 47412
Aircraft time: 71,673 hours, 81,088 cycles
System (JASC): 5744 · Wing, Control Surface Attach Fittings
Part: Casting
Condition: Cracked
Location: Aileron Hinge
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

DURING OP 16 MAINT CHECK, THE LT WING T/E NR 4 AILERON HINGE CASTING WAS CRACKED IN AFT MOUNT CLIP FOR WING T/E, TOP PANEL. REPLACED CRACKED BRACKET WITH NEW BRACKET USING NON MAGNETIC ATTACHMENTS PER SPM 6-70-01 AND FASTENER INSTALLATION PER SRM 51-30 AND SRM 51-10-4.

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