Service difficulty report · Intercostal · Boeing 75724APF

Difficulty date
June 25, 2026
Submitted
July 10, 2026
Operation
Air carrier
Aircraft
N453UP
Make and model
Boeing 75724APF
Aircraft serial
25474
Aircraft time
40,247 hours, 23,271 cycles
Part
Intercostal
Part number
149N75595
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

INTECOSTAL BETWEEN BS 1040 AND STA 1060 LT SIDE OF THE LT ACFT EXHAUST WITH EVIDENCE OF CORROSION. INSTALLED NEW INTERCOSTAL BETWEEN BS 1040 AND 1060 LT SIDE OF THE LT A/C EXHAUST IAW SRM 51-40-02-0G-0.

More about the Boeing 757-24APF