Service difficulty report · Rib · Beech 1900D

Difficulty date
October 5, 2014
Submitted
March 12, 2015
Operation
General aviation
Make and model
Beech 1900D
Aircraft time
39,448 hours
Engine
Pwa PT6A67D
Part
Rib
Condition
Corroded
Location
Wing
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

(CAN) CORROSION FOUND ON LOWER RIB FLANGE JUST FORWARD OF SPAR @ LWS 124.25. RECTIFICATION: REPAIR CARRIED OUT IAW CAS ENGINEERING A-RA14-031/D ISSUE NO. 1 APPROVED SEPT 25/14 (EA#B1900-57-001). CORROSION DAMAGE REMOVED FROM RIB FLANGE (0.270Ï¿½ X 2.4Ï¿½). REPAIR ANGLE MADE FROM 2024T3-0.063Ï¿½ ALUMINUM. ALL WET ASSEMBLY USING PR1422B WITH MS20426AD5 SOLID RIVETS THROUGH FLANGE AND HI-LOK PIN (HL64P68) THROUGH RIB WEB. ALL AFFECTED AREAS PREPPED/PRIMED TO MEET MIL-C-27725 (INTEGRAL FUEL TANK COATING).

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