Service difficulty report · Shear Web · Boeing 747422

Difficulty date
September 17, 2012
Submitted
September 20, 2012
Operation
Air carrier
Aircraft
N107UA
Make and model
Boeing 747422
Aircraft serial
26900
Aircraft time
58,049 hours, 6,888 cycles
Engine
Pwa PW4056
Part
Shear Web
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

STA 1120 LEFT TENSION TIE CANTED SHEAR WEB CRACKED, STR 9L - 10L. MAJOR REPAIR ACCOMPLISHED: REMOVED DAMAGE, MANUFACTURED & INSTALLED REPAIR PARTS PER AMM 53-10-99.