SDR DALA2016041602965

Service difficulty report · Rib · Doug MD88

Difficulty date: April 15, 2016
Submitted: April 18, 2016
Operation: Air carrier
Aircraft: N999DN
Make and model: Doug MD88
Aircraft serial: 53371
Aircraft time: 63,753 hours, 45,761 cycles
System (JASC): 5712 · Wing, Rib/Bulkhead
Part: Rib
Condition: Corroded
Location: Lt Wing
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

CORROSION AND WEAR ON BORES OF LT WING SLAT PANEL NR 2, RIBS BS XOS=196, XOS=240 AND XOS=286. RIBS BORES WERE REPAIRED WITH NEXT FINAL DIMENTIONS: XOS=196, 4 HOLES: 0.938" XOS=240, 2 HOLES: 0.940" XOS=286, 2 HOLES:1.123" AND REPAIR BUSHINGS WERE FABRICATED AND INSTALLED SO THE FINAL DIMENTIONS ARE WITHIN LIMITS OF REPAIR IAW SRM 57-02, PAR 9.

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