SDR UALA2012092005337

Service difficulty report · Threshold · Boeing 747422

Difficulty date: September 20, 2012
Submitted: October 25, 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
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Threshold
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

ABOVE DOORWAY 1L, THRESHOLD WEB CRACKED. MAJOR REPAIR ACCOMPLISHED: REMOVED DAMAGE, MANUFACTURED DOUBLER & FILLERS, INSTALLED PER SRM. THIS IS A CATEGORY 'B' REPAIR. RE-INSPECTIONS INCORPORATED IN TO MAINTENANCE PLAN BY EC 82-5300-000TL-A.