Service difficulty report · Skin · Boeing 747230B

Difficulty date
September 19, 2002
Submitted
October 11, 2002
Operation
Air carrier
Aircraft
N512MC
Make and model
Boeing 747230B
Aircraft serial
21220
Part
Skin
Part number
65B940521
Condition
Cracked
Location
Nr 2 Pylon
Stage of operation
IN
How discovered
V
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 CURRENT C-CHECK AT SIAEC, FOUND NR 2 PYLON LEFT ACCESS PLATE CUTOUT (463CL) AT NAC STATION 332 TO 350 CRACKED AT LOWER FORWARD CORNER APPROX .5 INCH. TRIMMED OUT CRACKED AREA. HFEC INSPECTED THE TRIMMED OUT AREA AND ALL FASTENER HOLES IN THE REPAIR AREA FOR ADDITIONAL CRACKING. NO CRACKS FOUND. OVERSIZED EXISTING HOLES. FABRICATED FILLER AND REPAIR DOUBLERS. BONDED REPAIR FILLER AND DOUBLERS IN PLACE. (M)