Service difficulty report · Structure · Boeing 777222

Difficulty date
May 24, 2013
Submitted
July 25, 2013
Operation
Air carrier
Aircraft
N216UA
Make and model
Boeing 777222
Aircraft serial
30549
Aircraft time
53,934 hours, 6,730 cycles
Engine
Pwa PW4090
Part
Structure
Part number
UNKNOWN
Condition
Cracked
Location
Eng2 Gap#4 Cvr S
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 2 ENGINE, NR 4 GAP COVER STRIP IS CRACKED. REMOVED DAMAGE AND BLENDED AREA IAW SRM 54-50-70. HFEC INSP REQUIRED. REWORKED DIMENSIONS ARE 3.75" FROM INBD EDGE 7.4375 WIDE AND .056" GAP. TOTAL AREA OF EXPOSURE IS .4165 SQ" ACCOMPLISHED HFEC INSPECTION IAW NTM PART 6 51-00-06 NO DEFECTS NOTED. PERMANENT REPAIR WILL BE ACCOMPLISHED REF ECRA 5454-01071. CF 483 AND CF 484 ITEM 6 OF ECRA. R & R WITH SERVICEABLE UNITS.