SDR C77A20170630001

Service difficulty report · Rib · Emb ERJ170200LR

Difficulty date: June 30, 2017
Submitted: June 30, 2017
Operation: Air carrier
Aircraft: N609CZ
Make and model: Emb ERJ170200LR
Aircraft serial: 1700197
Aircraft time: 26,536 hours, 15,325 cycles
System (JASC): 5712 · Wing, Rib/Bulkhead
Part: Rib
Part number: 17032161016
Condition: Cracked
Location: Rt Wing
Part time: 26,536 hours, 15,325 cycles
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

INTERNAL OF RT WING, BETWEEN SPAR II AND SPAR III, A CRACK WAS FOUND AT THE THIRD FASTENER HOLE FROM THE AFT ON THE UPPER FLANGE OF RIB 10, EXTENDING 2 WAYS FROM A FASTENER HOLE. THE TOTAL LENGTH OF THE (2) CRACKS IS APPROX. 0.670". REPAIR MAJOR. PERFORMED SERVICE BULLETIN 170-57-0047, REPLACED THE RIB WITH A NEW RIB,

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