Service difficulty report · Case · Boeing 75733N

Difficulty date
September 15, 2023
Submitted
September 15, 2023
Operation
General aviation
Aircraft
N77867
Make and model
Boeing 75733N
Aircraft serial
32592
Engine
Rroyce RB211535E4
Engine time
83,604 hours, 21,519 cycles
Part
Case
Part number
M07624AU
Part serial
DM4260
Condition
Cracked
Location
Zone 500
Part time
83,604 hours, 21,519 cycles
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

DURING INDUCTION AT STANDARDAERO, SAN ANTONIO FOR A SHOP VISIT. A CRACK OF APPROXIMATELY 4.5" WAS FOUND IN THE REAR FAN CASE AT THE 12 O'CLOCK POSITION AFT OF THE FRONT ENGINE MOUNT. PICTURES WILL BE EMAILED TO 9-AMC-SDR-PROGMGR@FAA.GOV AFTER SUBMITTING THIS REPORT.

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