SDR AMWA109

Service difficulty report · Rib · Beech 1900D

Difficulty date: December 22, 2003
Submitted: December 30, 2003
Operation: Air carrier
Aircraft: N139ZV
Make and model: Beech 1900D
Aircraft serial: UE139
Aircraft time: 18,661 hours, 25,290 cycles
System (JASC): 5531 · Vertical Stabilizer, Spar/Rib
Part: Rib
Part number: 11464000059
Part serial: UE139
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

DURING INSPECTION, FIVE CRACKS FOUND IN THIS RIB, THREE ON THE RT SIDE AND TWO ON THE LT SIDE LOCATED ON THE STRINGER TO RIB INTERSECTION ON THE FIRST RIVET HOLE. RT STRINGER P/N 101-640000-45, 101-640000-42 & 101-640000-38. LT STRINGER P/N 101-640000-43, 101-640000-37.

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