Service difficulty report · Blade · Boeing 757324

Difficulty date
December 29, 2025
Submitted
February 5, 2026
Operation
Air carrier
Aircraft
N75851
Make and model
Boeing 757324
Aircraft serial
32810
Aircraft time
69,801 hours, 22,749 cycles
Engine
Rroyce RB211535E4
Part
Blade
Part number
FW12308
Part serial
RGH29742
Condition
Damaged
Location
Eng 2
Part time
62,677 hours, 17,027 cycles
Stage of operation
CL
How discovered
O
Nature of condition
C, R
Precautionary procedure
A

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

What was found

DURING CLIMB OUT AT 1500 FT. BIRDSTIKE RT ENG, ENG POWER SURGE WITH VIBRATION. PREFORMED FIM 71-05/801. NR 2 ENG IP2S, IP4S, & IP6S BOROSCOPE PLUGS REMOVED IAW AMM 72-00-00-846-137-R04 FOR FIM 71-05/801. PERFORMED TAP TEST INSPECTION OF LP COMPRESSOR ROTOR BLADES IAW MM 72-31-13-601. FOUND BLADES 20,21, & 22 BAD. BOROSCOPE OF HP, IP & LP TURBINES FOR SIGNS OF INTERNAL DAMAGE IAW AMM 71-00-00-206-007-R00. POWER PLANT (AFTER SURGE) INSPECTION. PERFORMED THE FOLLOWING INSPECTIONS LP COMPRESSOR CASE AND OUTLET GUIDE VANES, LP COMPRESSOR INLET ROTATING FAIRING, EXHAUST PLUG, TURBINE EXHAUST SYSTEM, IP & HP VALVES IAW FIM 71-05, FAULT TREE 801, BLOCK 1. PERFORMED ON NR 2 ENG AFTER A SURGE INSPECTION ON HP1-6 COMPRESSOR STAGES ON BLADES,EXMINED HP COMPRESSOR ROTOR PATH LINNER 1-4, EXAMINED IP COMPRESSOR BLADES STAGE 1-6, NO DEFECTS NOTED IAW 71-00-00-206-007. PERFORMED BOROSCOPE INSPECTION OF NR 2 ENG DUE TO BIRDSTRIKE. PERFORMED A HPT INSPECT IAW 72-00-00-206-167-R02 & 72-00-00-200-802-R02, INSP IP TURBINE IAW 72-00-00-206-173-R02, INSP LOW PRESSURE TURBINE IAW 72-00-00-206-1. LOGS 7776496, 7776526, AND 7776519 FOR BLADE REPLACEMENT. LOG 7800385 FOR ANNULUS FORMER PANEL REPLACEMENTS. LOG FOR 7823404 FOR TEST 6 VIBRATION SURVEY. ENGINE RUN CKD NORMAL.