SDR CKSA98083

Service difficulty report · Support · 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: Support
Condition: Corroded
Location: Bs 1920
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, INTERGRAN CORROSION ON FLOOR SUPPORT (ATTACHED TO T-ANGLE) AT BS 1920 RBL 39. CORROSION FOUND TO BE OUT OF LIMITS IAW B747 SRM 53-10-1. CUT OUT CORRODED FLOOR SUPPORT SECTION IAW B747 SRM 51-40-3. INSTALLED FLOOR SUPPORT AS PER B747 SRM 53-10-23. CORROSION TASK CARD NUMBER C53-110-01 PART 3 OF 5. NON-ROUTINE TASK CARD NUMBER 14781.