SDR UPS04441901

Service difficulty report · Doubler · Boeing 747123

Difficulty date: February 2, 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
System (JASC): 5330 · Fuselage Main, Plate/Skin
Part: Doubler
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, RAP ITEM N672UP 42-11 AT BS 680-703 STR 40R-41R AREA, REPAIR DOUBLER HAS LESS THAN 3 ROW FASTENERS FOR REPAIR AFTER NDT DEFINED CUTOUT RE-DO THE REPAIR REQ'D. BS 680-703 STR 40R-41R AREA DOUBLER REMOVED & DISCARDED AS PER SRM 51-30-02 BS 678-689 & BS 692-704 STR 40R-41R EXTENDED DOUBLER INSTALLED REPAIR AS PER SRM 53-30-03 FIG 1 & ZERO-TIME FASTENERS INSTALLED AS PER SRM 51-10-01 PG 11 AT STR 40R-41R AREA CLASSIFIED A CATEGORY-A REPAIR.