SDR CKSA98049

Service difficulty report · Stiffener · Boeing 747146

Difficulty date: February 24, 1998
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N703CK
Make and model: Boeing 747146
Aircraft serial: 19727
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Stiffener
Condition: Corroded
Location: Bs 1480
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 CPCP INSPECTION FOUND LEVEL 2 CORROSION, FS 1480 AFT SIDE WEB LWR STIFFENER AT LBL 97 CORRODED FILLET AREA. REMOVED CORROSION IAW B747 SRM 51-10-01 FOUND OUT OF LIMIT. REMOVED AND REPLACED CORRODED STIFFENER IAW B747 SRM 51-10-01 AND 51-30-02. CORROSION TASK CARD NUMBER C53-190-01 PART 1 OF 2. NON-ROUTINE TASK CARD NUMBER 12766.