SDR CKSA98372

Service difficulty report · Floorbeam · Boeing 747132

Difficulty date: June 30, 1998
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N625PL
Make and model: Boeing 747132
Aircraft serial: 20247
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Corroded
Location: Bs 1940-1960
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, STA1940-1960 LBL11.33 LONGITUDINAL FLOORBEAM UPPER CHORD CORRODED. REMOVED CORROSION IAW B747 SRM 51-10-01. FOUND OUT OF LIMITS IAW B747 SRM 53-10-01. FABRICATED REPAIR DOUBLERS IAW B747 SRM 53-10-05 FIG 1A. INSTALLED REPAIR DOUBLERS IAW B747 SRM 53-10-05 FIG 1A. CORROSION TASK CARD NUMBER C53-210-07. NON-ROUTINE TASK CARD NUMBER 25526.