Service difficulty report · Case · Boeing 75723A

Difficulty date
April 21, 2021
Submitted
April 23, 2021
Operation
Air carrier
Aircraft
N920FD
Make and model
Boeing 75723A
Aircraft serial
24289
Aircraft time
77,155 hours, 28,544 cycles
Engine
Rroyce RB211535E4
Part
Case
Condition
Corroded
Location
Nr 1 Engine
Stage of operation
IN
How discovered
V
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

ENGINE #1 LP COMPRESSOR FRONT CASE OUTER SURFACE FORWARD OF KEVLAR WRAPPING IS CORRODED FROM 4 O'CLOCK TO 12 O'CLOCK POSITION (AFT LOOKING FORWARD) SNRM RECTIFIED AS PART OF ESN 30690 REMOVAL AND INSTALLATION OF ESN 30775 AS PER WO 79687 SEQ: 000235

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