SDR CKSA98331

Service difficulty report · Skin · Boeing 747146

Difficulty date: May 20, 1998
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N704CK
Make and model: Boeing 747146
Aircraft serial: 20528
System (JASC): 5330 · Fuselage Main, Plate/Skin
Part: Skin
Condition: Corroded
Location: Bs 2220
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, CORROSION ON THE SKIN AFT OF STA 2220 IN AFT CARGO COMPARTMENT BETWEEN S46L AND S45L. REMOVED CORROSION IAW B747 SRM 51-10-01 SKIN IS OUT OF LIMITS IAW B747 SRM 53-10-01. MATERIAL LOOSE BETWEEN S46L AND 45L 0.028 PERCENT IAW B747 SRM 53-30-01 AND 53-30-02 ID MATERIAL 2024T3 .100. REPAIRED, CORROSION TASK CARD NUMBER C53-125-01-2. NON-ROUTINE TASK CARD NUMBER B0083-16-N-00807.