SDR UALA2013020400663

Service difficulty report · Engine · Boeing 777222

Difficulty date: February 4, 2013
Submitted: February 28, 2013
Operation: Air carrier
Aircraft: N206UA
Make and model: Boeing 777222
Aircraft serial: 30212
Aircraft time: 60,349 hours, 8,601 cycles
Engine: Pwa PW40903
System (JASC): 7200 · Engine (Turbine/Turboprop)
Part: Engine
Condition: Malfunctioned
Location: Nr 2
Stage of operation: TX
How discovered: O
Nature of condition: J
Precautionary procedure: D

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

What was found

FIRST START OF NR 2 ENGINE, ENGINE EGT WAS APPROACHING 535 DEG, N2 WAS HANGING AT ABOUT 42 PERCENT, START ATTEMPT WAS ABORTED. AFTER COOL DOWN SECOND START WAS ATTEMPTED, EGT STAYED WITHIN LIMITS, BUT ENGINE HUNG WITH ERRATIC FUEL FLOW. FUEL FLOW WOULD REACH 1.4 THEN DROP TO '0'. ENGINE 'CYCLED' 1.4 TO 0, ABORTED SECOND START, RETURNED TO GATE. ENGINE STARTED MANUALLY.