SDR IPXA2025013074817

Service difficulty report · Compressor · Boeing 75724APF

Difficulty date: January 30, 2025
Submitted: January 30, 2025
Operation: Air carrier
Aircraft: N455UP
Make and model: Boeing 75724APF
Aircraft serial: 25476
Aircraft time: 44,632 hours, 21,777 cycles
Engine: Rroyce RB211535E4
System (JASC): 7230 · Turbine Engine Compressor Section
Part: Compressor
Condition: Stalled
Location: Rt Engine
Stage of operation: CL
How discovered: O
Nature of condition: R, 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. ATB, ON CLIMB OUT AFTER V NAV SELECTED R ENGINE COMPRESSOR STALLED AND MAX EGT WAS 892. RAN CHECKLIST AND RETURNED TO SJO OVERTEMPERATURE IS ZONE A PER FIM TASK 71-05 FAULT TREE 824, PERFORM FIM TASK 71-06 FAULT TREE 812 AND REPORT RESULTS OF BLOCK 11 AND BLOCK 13 TO POWERPLANT LIAISON ENGINEERING.

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