Service difficulty report · Labyrinth Seal · Boeing 7378

Difficulty date
November 7, 2024
Submitted
November 8, 2024
Operation
Air carrier
Aircraft
N27283
Make and model
Boeing 7378
Aircraft serial
61857
Aircraft time
5,656 hours, 1,989 cycles
Engine
Cfmint LEAP1B21
Engine time
4,195 hours, 1,441 cycles
Part
Labyrinth Seal
Part number
314A65105
Condition
Cracked
Location
Nr 2 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

LABYRINTH SEALS INSPECTION - #2 ENGINE RH AFT LABYRINTH SEAL IS CRACKED AT AFT OB LEG. REMOVED AND REPLACED #2 ENGINE R/H AFT LABYRINTH SEAL REF AMM 78-11-01-400-801 PARTS USED: 61-7811-3-0002,QTY :1

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