Service difficulty report · Case · Boeing 75721B

Difficulty date
September 21, 2022
Submitted
September 22, 2022
Operation
Air carrier
Aircraft
N934FD
Make and model
Boeing 75721B
Aircraft serial
24331
Aircraft time
61,737 hours, 40,064 cycles
Engine
Rroyce RB211535E4
Part
Case
Condition
Corroded
Location
Nr 2 Engine
Part time
60,939 hours, 23,721 cycles
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

#2 ENGINE LPC CASE HAS EVIDENCE OF CORROSION UNDER THE KEVLAR CONTAINMENT RING OUTER SLEEVE AT THE REAR EDGE FROM APPROX 7:00 POSITION TO THE APPROX 12:00 POSITION 0000280794 : SHAEFFER, DAVID C - 21-SEP-2022 22:07 EVALUATED CORROSION AND REPAIRED TEFLON SLEEVE REF EA F-224-T0370739 P1

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