Service difficulty report · Skin · Boeing 747243B

Difficulty date
August 19, 2002
Operation
Air carrier
Aircraft
N517MC
Make and model
Boeing 747243B
Aircraft serial
23300
Engine
Ge CF34*
Part
Skin
Part number
65B036202
Condition
Corroded
Location
Rh Stab Sta343
Part time
66,399 hours
Stage of operation
IN
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DURING CURRENT (C) CHECK AT SIAEC FOUND RIGHT HORIZONTAL STABILIZER BOTTOM SKIN AT STA 343 OUTER SURFACE CORRODED (LEVEL 2). FASTENERS REMOVED IN THE AFFECTED AREA. ALL HOLES CHECKED FOR CORROSION, OVER-SIDED AND HFEC INSPECTED FOR CRACKS. NO ADDITIONAL CORROSION ON CRACKING FOUND. CORROSION AREA BLENDED, MEASURED, FLAP PEENED, ALODINE TREATED AND PRIME PAINTED. ORIGINAL SKIN MEASURED 0.120, AFTER BLENDING 0.091 REMAINS. REPAIRS CARRIED OUT IAW SRM. REPAIR IS TIME LIMITED WITH PERMANENT REPAIRS TO BE CARRRIED OUT WITHIN 18 MONTHS OR NEXT (C) CHECK.