SDR DALA2014062803849

Service difficulty report · Rib · Doug MD88

Difficulty date: June 27, 2014
Submitted: July 2, 2014
Operation: Air carrier
Aircraft: N969DL
Make and model: Doug MD88
Aircraft serial: 53172
Aircraft time: 61,933 hours, 45,822 cycles
System (JASC): 5531 · Vertical Stabilizer, Spar/Rib
Part: Rib
Condition: Cracked
Location: Vertical Stab
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

CRACKS ON RIBS AF VERTICAL STABILIZER L/E LT SIDE ZFS=36, 30, 23, 18 CARD 25, ZONE 65. RIBS WERE REMOVED ZFS=36-30-23-18, CRACKS WERE STOPS DRILLED, ANGLES THE REPAIR WERE FABRICATED, ANGLES THE FABRICATED WERE TREATED AND PAINTED, REPAIR PARTS WERE INSTALLED ON THE RIBS.

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