SDR CKSA98078

Service difficulty report · T-Angle · 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: T-Angle
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, CORROSION ON T-ANGLE BS 1920 ON TOP OF FLOORBEAM FROM RBL 40 TO LBL 53. CORROSION FOUND TO BE OUT OF LIMITS AT RBL 10 TO 42 AND LBL 20 TO 23 IAW B747 SRM 53-10-1. CUTOUT CORRODED T-ANGLE IAW B747 SRM 51-40-4. INSTALLED REPAIR PARTS IAW B747 SRM 51-40-04. CORROSION TASK CARD NUMBER C53-110-01 PART 3 OF 5. NON-ROUTINE TASK CARD NUMBER 14753.