Service difficulty report · Engine · Boeing 777222

Difficulty date
May 12, 2014
Submitted
May 13, 2014
Operation
Air carrier
Aircraft
N774UA
Make and model
Boeing 777222
Aircraft serial
26936
Aircraft time
74,120 hours, 13,675 cycles
Engine
Pwa PW4077
Engine time
63,202 hours, 10,978 cycles
Part
Engine
Condition
Making Metal
Location
Right
Stage of operation
UK
How discovered
O
Nature of condition
J, E
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

OIL PRESS INDICATION, ENG RED CREW COMMENTS. LOW OIL PRESS AFTER LOW OIL QTY PRECEDED BY HIGH ENG VIBRATION. REPORTED OIL LINE CRACKED AT TOP OF SERVO FUEL HEATER, IPC 79-21-51-03 ITEM 030, DUE TO HIGH N2 VIBES & METAL PARTICLES IN TAIL PIPE, IAW PTT SEQ 1206001. REPLACE RT ENG IAW AMM71-00-02 401. LABEL REMOVAL REASON AS HI N2 VIBES-TURBINE DAMAGE. 08MAY14. REPLACED ENG IAW PTT 1206 002.