Service difficulty report · Seal · Boeing 75724APF

Difficulty date
July 17, 2026
Submitted
August 19, 2026
Operation
Air carrier
Aircraft
N455UP
Make and model
Boeing 75724APF
Aircraft serial
25476
Aircraft time
46,102 hours, 22,631 cycles
Engine
Rroyce RB211535E4
Part
Seal
Part number
ARM877
Condition
Torn
Location
Nr 1 Eng Exhaust
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

NR 1 ENG OTBD EXHAUST SEAL TORN AT 9 O`CLOCK POSITION. REMOVED AND REPLACED NR 1 ENGINE OTBD EXHAUST SEAL AT 9 O`CLOCK POSITION IAW AMM 78-11-04-308-110-R00, AND SRM 51-40-02-0G-0 PAR 5.

More about the Boeing 757-24APF