Service difficulty report · Strip · Boeing 777222

Difficulty date
January 26, 2012
Submitted
March 2, 2012
Operation
Air carrier
Aircraft
N780UA
Make and model
Boeing 777222
Aircraft serial
26944
Aircraft time
63,212 hours, 11,250 cycles
Engine
Pwa PW4077
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 3 GAP STRIP CRACKED. REPAIRED PER MT 54-UA2 FINAL DIMENSIONS TOP MIDDLE OF GAP STRIP 4.125 IN LONG BY .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. SEE UA-EVA-81360^20OCT DEN INF- :REF IPC 54-54-02-007 INDX 270. EST MULTIPLE SHIFTS TO RMV HI LOCKED HEAT SHIELD THEN DRILL NEW COVER AND RPLC. ^20OCT OPB INF- :3 SHIFT SLOT REQUESTED. :OK TO CF9 PER OPBLM. REPAIRED REF AND REPLACED.