Service difficulty report · Spar Cap · Boeing 757

Difficulty date
April 30, 2001
Submitted
May 22, 2001
Operation
Air carrier
Aircraft
N621AA
Make and model
Boeing 757
Aircraft serial
283
System (JASC)
5711 · Wing Spar
Part
Spar Cap
Condition
Corroded
Location
Wing
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

TUL - FOUND CORROSION ON UPPER REAR SPAR CAP AT STATION WS 160-204 ALSO HAS BULGING FASTENERS. FABRICATED 2 REPAIR STRAPS AND ATTACH ON LOWER SIDE OF WING SKIN LAND. THE LOWER STRAP THAT IS AGAINST WING SKIN SHOULD EXTENDED ONE ROW OF FASTENERS BEYOND THE UPPER STRAP ON BOTH ENDS. REPAIRED IAW ESO 90309, DATED 4-30-01. (M)