Service difficulty report · Engine · Boeing 777222

Difficulty date
June 14, 2011
Submitted
June 15, 2011
Operation
Air carrier
Aircraft
N220UA
Make and model
Boeing 777222
Aircraft serial
30223
Aircraft time
42,018 hours, 5,217 cycles
Engine
Pwa PW40903
Part
Engine
Condition
Oil Consumption
Location
Nr 1
Stage of operation
NR
How discovered
O
Nature of condition
W
Precautionary procedure
O

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

What was found

NR 1 ENG OIL CONS EXCEEDS LIMIT. T-S PER FIM 71-05 T830. PER AD 2003-26-09, IF EXCD 0.5 QT PER HOUR AND NO CAUSE FOUND, BORO NR 3 WEEP MM TASK 72-00-88-290-803-N01 WITHIN 100 CY. FIM 71-05TSK830 WAS ACPD WITH NO DEFECTS FOUND, AFTER ECM DATA & ACFT OIL MONITORING DATA REVIEWED BY EMC MCCUTCHAN & SFOEP HARDY, OIL CONSUMPTION IS DUE TO OIL SERVICING MIS-STEP, WEEP TUBE INSP ACP. NO OIL WETTING FOUND.