SDR FDEA201210243739

Service difficulty report · Rib · Boeing 7572Y0

Difficulty date: October 24, 2012
Submitted: October 24, 2012
Operation: Air carrier
Aircraft: N973FD
Make and model: Boeing 7572Y0
Aircraft serial: 26151
Aircraft time: 46,151 hours, 19,408 cycles
System (JASC): 5712 · Wing, Rib/Bulkhead
Part: Rib
Part number: 113N151120
Condition: Corroded
Location: Rt Wing
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

RT WING T/E AT 812, RIB WITH ATTACHED BONDING JUMPER SHOWS EVIDENCE OF CORROSION BETWEEN MATING SURFACES. CORROSION FOUND TO BE OUT OF LIMITS IAW SRM 57- 51-09, FIG.101, DETAIL VI, A1. FABRICATED NEW RIB. R & R RIB IAW-SRM-51-40-02, CAT."A" MAJOR REPAIR.

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