SDR CALA2013101091938

Service difficulty report · Shear Web · Boeing 747422

Difficulty date: October 10, 2013
Submitted: October 10, 2013
Operation: Air carrier
Aircraft: N119UA
Make and model: Boeing 747422
Aircraft serial: 28812
Aircraft time: 60,325 hours, 6,926 cycles
Engine: Pwa PW4056
System (JASC): 5320 · Fuselage Miscellaneous Structure
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

DURING TENSION TIE INSP FOUND CRACKED SLOPING SHEAR WEB CRACK AT FASTENER HOLE STATION 1120, LT. REMOVED GUSSET & TOSSED, TRIMMED OUT CRACK IAW AMM. HFEC IAW NDT PT 6, 51-00-00, NO CRACKS NOTED. INSURED CUT, HFEC ALL HOLES, NO CRACKS. FABRICATED REPAIR PARTS & INSTALLED AMM.