SDR 9905696626

Service difficulty report · Doubler · Boeing 747251B

Difficulty date
December 8, 1999
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N626US
Make and model
Boeing 747251B
Aircraft serial
21708
Part
Doubler
Condition
Cracked
Location
Bs 999 - 1019
Stage of operation
IN
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

DURING M CHECK, FOUND CRACK ON DOUBLER LOCATED ON THE LOWER FLOOR STRUCTURE KEEL BEAM BOX INTERIOR. REPAIRED PER EA 66-171527.