SDR CKSA98315

Service difficulty report · Stiffener · Boeing 747146

Difficulty date
May 20, 1998
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N704CK
Make and model
Boeing 747146
Aircraft serial
20528
Part
Stiffener
Condition
Cracked
Location
Ws 160
Stage of operation
IN
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 ROUTINE CPCP INSPECTION, FOUND RT WING FRONT SPAR, WS160, WBL140 HAS CRACKED STIFFENER. REMOVED CRACKED STIFFENER IAW SRM 51-30-02. MATERIAL ID 7075-T6 0.080 IAW SRM 57-10-02. REPLACED STIFFENER IAW SRM 51-10-01 AND 51-30-02. CORROSION TASK CARD NUMBER C57-510-01-2. NON-ROUTINE TASK CARD NUMBER B0083-16-N-00324.