SDR CKSA97578

Service difficulty report · Support · Boeing 747146

Difficulty date: November 20, 1997
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N704CK
Make and model: Boeing 747146
Aircraft serial: 20528
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Support
Condition: Corroded
Location: Bs 1301
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 LEVEL 2 CORROSION: FLOOR SUPPORT BETWEEN LBL 10 AND RBL 10 STA 1301 CORRODED. REMOVED CORROSION IAW B747 SRM 51-10-01. FOUND TO BE OUT OF LIMITS IAW B747 SRM 53-10-03. REMOVED AND REPLACED FLOOR SUPPORT IAW B747 SRM 51-10-01 AND 51-30-02. CORROSION TASK CARD NUMBER C53-210-06. NON-ROUTINE TASK CARD NUMBER 11635.