Service difficulty report · Engine · Boeing 777222

Difficulty date
June 13, 2025
Submitted
June 16, 2025
Operation
Air carrier
Aircraft
N219UA
Make and model
Boeing 777222
Aircraft serial
30551
Aircraft time
90,784 hours, 11,901 cycles
Engine
Pwa PW4090
Part
Engine
Condition
Faulted
Location
Nr 2
Stage of operation
CL
How discovered
O
Nature of condition
M, J
Precautionary procedure
A

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

What was found

RIGHT ENGINE EGT EXC. 706. ON CLB OUT RET W/IN LIMITS. CREW REPORTS ON CLIMB OUT EST. 1000FT - AUTO THROTTLE ENGAGED, ENG 2 EGT REDLINED. CREW PROCEEDED TO REDUCE THRUST ON ENG 2, AND EGT FOLLOWED DROPPING BELOW REDLINE. AUTO THROTTLE RETURNED THRUST AND EGT EXCEEDED AGAIN. CREW DISCONNECTED AUTO THROTTLE AND THROTTLED BACK ON ENG 2 AS THEY RETURNED TO GATE. ENG 2 WAS NEVER SHUT DOWN. ALL OTHER ENGINE PARAMETERS REMAINED NORMAL THROUGHOUT. EXCEEDANCE AND LIMITS INCLUDED BELOW LABOR HOURS UPDATE. ENGINEERING UPDATE: ENGINEERING HAS REVIEWED QAR DATA AND DETERMINED THIS A TRUE EGT EXCEEDANCE. 705 WAS THE PEAK WITH 55 SECONDS OVER THE LIMIT OF 650. PER AMM TASK 72-00-00-290-828-N02, FIGURE 603, SUBJECT ENGINE EXCEEDANCE IS AN AREA C EXCEEDANCE WHICH REQUIRES ENGINE REMOVAL.