SDR TWAA9805904

Service difficulty report · Doubler · Doug DC931

Difficulty date: May 12, 1997
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N990Z
Make and model: Doug DC931
Aircraft serial: 47136
System (JASC): 5720 · Wing Miscellaneous Structure
Part: Doubler
Condition: Cracked
Location: Lt 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 15 MAINTENANCE CHECK, FOUND CRACK INDICATIONS IN 10 FASTENER HOLES IN BEAVER TAIL, TOP OF LEFT WING. CRACKS WERE INDICATED WITH HIGH FREQ EDDY CURRENT. REMOVED BEAVER TAIL DOUBLER AND INSTALLED NEW BEAVER TAIL DOUBLER PER SRM 51-01, AND STANDARD PRACTICES. (M)

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