SDR CALA2016012595029

Service difficulty report · Engine · Boeing 777222

Difficulty date: January 25, 2016
Submitted: January 25, 2016
Operation: Air carrier
Aircraft: N772UA
Make and model: Boeing 777222
Aircraft serial: 26930
Aircraft time: 80,743 hours, 14,397 cycles
Engine: Pwa PW4077
System (JASC): 7200 · Engine (Turbine/Turboprop)
Part: Engine
Condition: Oil Consumption
Location: Nr 1
Stage of operation: CR
How discovered: O
Nature of condition: B
Precautionary procedure: O

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

What was found

DIRTY SOCK ODOR WHEN ACFT REACHED CRUISE, AFTER LEVEL OFF IN FLIGHT DECK & FIRST REAR CABIN, THEN IN FIRST CLASS, HAZE IN FLIGHT DECK WAS INCREASING. SHUT OFF THE UPPER RECIRC FAN & ODOR SEEMED TO INTENSIFY, THE UPPER WAS SELECTED BACK ON THEN THE LOWER WAS SHUT OFF. FOUND PROBLEM ON NR 1 ENG, HIGH OIL CONSUMPTION. TO BE REPLACED IAW LR1566.