SDR TWAA0002004

Service difficulty report · Frame · Doug DC931

Difficulty date: January 31, 2000
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N989Z
Make and model: Doug DC931
Aircraft serial: 47135
System (JASC): 5311 · Fuselage Main, Frame
Part: Frame
Condition: Cracked
Location: Bs 775
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

DURING OP 16 MAINT CHECK, FOUND CRACK ON TWO RIVETS ON MEMBRANE 2 IN AFT OF RT FORMER RING, STA 775 BELOW FLOOR. INSTALLED ALUMINUM ALLOY DOUBLER REPAIR PER SRM 53-01, PAGE 9 EXAMPLE C. TREATED, PRIMED, AND PAINTED DOUBLER PER 51-10-03.

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