Service difficulty report · Bulkhead · Boeing 747121

Difficulty date
April 10, 2003
Submitted
April 30, 2003
Operation
Air carrier
Aircraft
N681UP
Make and model
Boeing 747121
Aircraft serial
19661
Aircraft time
100,611 hours, 25,820 cycles
Part
Bulkhead
Condition
Cracked
Location
Nr 3 Pylon
Stage of operation
IN
How discovered
9
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, NR 3 PYLON REAR ENGINE MOUNT BULKHEAD AFT FRAME FOUND CRACKED AT 4 O/C POSITION ( LOOKING FORWARD ). NR 3 PYLON REAR ENGINE MOUNT BULKHEAD REPAIRED AS PER HX RS R54-53-35008 AND UPS REPAIR AUTHORIZATION 747-54-20034 DVI AND HFEC INSPECTIONS TO CONTINUE PER UPS EO B747-5410-13908 IAW SB 747-54A2202.