Service difficulty report · Engine · Boeing 7474B5F

Difficulty date
April 1, 2025
Submitted
April 7, 2025
Operation
Air carrier
Aircraft
N705CK
Make and model
Boeing 7474B5F
Aircraft serial
26413
Aircraft time
86,927 hours, 14,962 cycles
Engine
Pwa PW4056
Engine time
89,191 hours, 15,759 cycles
Part
Engine
Part number
47348708
Part serial
727611
Condition
Damaged
Location
Nr 2
Part time
89,191 hours, 15,759 cycles
Stage of operation
CR
How discovered
O
Nature of condition
Y
Precautionary procedure
O

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

What was found

ENGINE #2 SEVERE DAMAGE. PERFORMED N1 AND N2 LOCKOUT PER AMM 71-00-30 AND E50 #13891 FOR 3 ENGINE FERRY FLIGHT. ENGINE #2 SEVERE DAMAGE. REMOVED AND REPLACED #2 ENGINE IAW B747-400 AMM 71-00-00, REFERENCE TASK CARD NUMBER 71-002-00-00 ITEM 1 MET 7050420706 FOR WORK PERFORMED AND ORIGINAL SIGNATURES, NO DEFECTS NOTED.

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