SDR UALA2011100305333

Service difficulty report · Strip · Boeing 777222

Difficulty date: October 1, 2011
Submitted: October 3, 2011
Operation: Air carrier
Aircraft: N780UA
Make and model: Boeing 777222
Aircraft serial: 26944
Aircraft time: 61,597 hours, 11,037 cycles
Engine: Pwa PW4077
System (JASC): 5420 · Nacelle/Pylon Miscellaneous Structure
Part: Strip
Condition: Cracked
Location: Nr 1 Pylon
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

NR 1 ENG PYLON NR 3 GAP STRIP CRACKED. REPAIRED PER MT 54-UA2 FINAL DIMENSIONS TOP MIDDLE OF GAP STRIP 4.125 IN LONG. 15625 IN DEEP: REPAIR STARTS 8.25 INCHES FROM INBD EDGE. ACP HFEC OF AREA, NO CRACKS DETECTED, REF. NDT MANUAL, PT.6, 51-10-06. REF AD2006-19-12 TIME LIMITED REPAIR IS ACCEPTABLE FOR 18 MOS FROM 10-01-11 AT WHICH TIME THE COVER STRIP MUST BE REPLACED. PER EVA 81360 REPAIRED REF AND REPLACED.