Service difficulty report · Frame · Boeing 747121

Difficulty date
September 7, 2001
Submitted
October 19, 2001
Operation
Air carrier
Aircraft
N681UP
Make and model
Boeing 747121
Aircraft serial
19661
Aircraft time
97,510 hours, 25,124 cycles
Part
Frame
Condition
Cracked
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 APU COMPARTMENT INTERIOR FRAME FOUND CRACKED AT APPROX BS 2742-2752 LBL 10. THE COMPARTMENT HORIZONTAL FRAME AT BS 2742 TO 2752 LBL 10 WAS REPAIRED AS PER SRM 51-40-03 FIG 1. HFEC INSP CONFIRMED CRACK FREE PER NTM PT6, 51-00-00 FIG 4. THE COMPT CUTOUT SEAL RETAINER WAS REFITTED FOR ACCESS PER MM 20-51-01.