Service difficulty report · Skin · Boeing 747123

Difficulty date
January 27, 2004
Submitted
February 16, 2004
Operation
Air carrier
Aircraft
N672UP
Make and model
Boeing 747123
Aircraft serial
20324
Aircraft time
70,871 hours, 20,783 cycles
Part
Skin
Condition
Damaged
Location
Fuselage
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

INSPECTION TYPE:C DURING REPAIR ASSESSMENT PROGRAM ACCOMPLISH, ITEM N672-41-08 AT BS 447-463 STR 42R-44R 2 LAYERS REPAIR DOUBLER FOUND SINCE THE OUTER DOUBLER IS ONLY 0.040 INCH THK WHICH WILL CREATE KNIFE-EDGE CONDITION, RE-DO THE REPAIR REQUIRE. EXISTING DOUBLER REMOVED & DISCARDED AS PER SRM 53-30-03 FIG 1. HFEC INSPECTED AT THE REPAIR AREA FASTENER HOLES, NO CRACK REVEALED. NEW EXTENDED DOUBLER REPAIRED AS PER SRM 53-30-03 FIG 1. SUBSEQUENCE INSPECTION REQUIRE AS PER SRM 53-30-03 FIG 1 TABLE IV (REPEAT INSPECTION PER EO B747-5330-13494H).