Service difficulty report · Engine · Boeing 75724APF

Difficulty date
July 25, 2026
Submitted
July 27, 2026
Operation
Air carrier
Aircraft
N459UP
Make and model
Boeing 75724APF
Aircraft serial
25480
Aircraft time
36,606 hours, 22,384 cycles
Engine
Rroyce RB211535E4
Part
Engine
Condition
Failed
Location
Nr 1
Stage of operation
CL
How discovered
O
Nature of condition
Y, J
Precautionary procedure
A

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

What was found

EMERGENCY DECLARED, IN FLIGHT SHUT DOWN DURING CLIMB THRU FL220, LTT ENG FAILED WITHOUT WARNING. AIRSPEED WAS APPROX 310 KTS. N2 ROTATION NORMAL AFTER SHUTDOWN. NO OTHER PROBLEMS THROUGHOUT FLIGHT ATTEMPTED TO START THE NR 1 ENGINE. ENGINE OIL PRESSURE INDICATION REMAINED AT 0 PSI AT MAX MOTOR IAW AMM 79-32-00-735-005-R00.

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