Service difficulty report · Doubler · Boeing 75724APF

Difficulty date
July 24, 2026
Submitted
September 11, 2026
Operation
Air carrier
Aircraft
N461UP
Make and model
Boeing 75724APF
Aircraft serial
28265
Aircraft time
43,577 hours, 22,026 cycles
Part
Doubler
Part number
148N16065
Condition
Corroded
Location
Zone 100
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

TAIL CONE STA 1992 FRAME FWD AND AFT SIDES HAVE AREAS OF CORROSION AND AREAS OF PROTECTIVE FINISH BLISTERING UP AND PEELING OFF CIRCUMFERENTIALLY AROUND FRAME. RL033 INSTALLED FRAME (RING) AT TAIL CONE STA 1992 IAW SRM 51-40-02-0G-0.

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