Service difficulty report · Keelbeam · Boeing 747121

Difficulty date
May 10, 2000
Submitted
June 13, 2000
Operation
Air carrier
Aircraft
N681UP
Make and model
Boeing 747121
Aircraft serial
19661
Aircraft time
94,119 hours, 24,390 cycles
Part
Keelbeam
Condition
Corroded
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, CORROSION ON LWR WEB OF KEEL BEAM AT BS 1239. REPAIR PLATE AND FILLERS FABRICATED AND FITTED PER SRM 51-10-01 AND 51-30-02.