Service difficulty report · Seal · Boeing 747412

Difficulty date
October 29, 2024
Submitted
November 4, 2024
Operation
Air carrier
Aircraft
N729CA
Make and model
Boeing 747412
Aircraft serial
25068
Aircraft time
96,812 hours, 16,678 cycles
Engine
Pwa PW4056
Part
Seal
Condition
Damaged
Location
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

"DURING A-CHECK INSPECTION, IT WAS DISCOVERED THAT THE AFT SEAL, LOCATED ON THE OUTBOARD ENGINE CORE COWL OF ENGINE 1 HAD A MISSING PORTION NEAR THE LOWER CORNER. A REPAIR WAS EMBODIED AND CLASSIFIED AS ""MAJOR"" VIA FVCI EO 24193-1. REF NAL M-8A 63130-12."