SDR DLM88090413

Service difficulty report · Skin · Doug MD88

Difficulty date: March 13, 2009
Submitted: March 18, 2009
Operation: Air carrier
Aircraft: N973DL
Make and model: Doug MD88
Aircraft serial: 53241
Aircraft time: 49,081 hours, 36,949 cycles
System (JASC): 5512 · Horizontal Stabilizer, Plate/Skin
Part: Skin
Part number: 5922577507
Condition: Corroded
Location: Horizontal Stab
Stage of operation: IN
How discovered: 9
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

THE RT HORIZONTAL STABILIZER UPPER CENTER SKIN PANEL HAD CORROSION ON 3 INBD BARREL NUT HOLES AT XH=7.234. THE NR 12, NR 14, AND NR 17 HOLES WERE OVERSIZED, AND THE NR 17 HOLE HAD AN ADDITIONAL BLEND FOR CORROSION. OVERSIZED BUSHINGS WERE INSTALLED PER BOEING APPROVAL.

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