SDR 9504836614

Service difficulty report · Mop Sill · Boeing 747251B

Difficulty date
February 27, 1995
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N614US
Make and model
Boeing 747251B
Aircraft serial
20359
Part
Mop Sill
Condition
Corroded
Location
Fs 862
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 PERIODIC CHECK, THE MOP SILL INSTALLATION UPPER AND LOWER CHORDS AT RBL 117 WERE FOUND CORRODED AT FS 862. DISCREPANT CHORDS WERE MADE FROM 7075-T6511 EXTRUSION. MADE REPAIR PER EA 66-93963.