Service difficulty report · Skin · Boeing 75724APF

Difficulty date
February 5, 2025
Submitted
February 12, 2025
Operation
Air carrier
Aircraft
N439UP
Make and model
Boeing 75724APF
Aircraft serial
25470
Aircraft time
31,502 hours, 20,911 cycles
Part
Skin
Part number
311N5046
Condition
Corroded
Location
Zone 400
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 2 ENGINE OUTBD PYLON INNER SKIN FWD OF VENT PANEL OPENING HAS SURFACE CORROSION AND PROTECTIVE COATING DETERIOATED. DOT 8-001. RESTORED SURFACE PROTECTION IN #2 ENG, OUTBD PYLON INNER SKIN IAW SRM 51-20-01 P/N ALODINE1132 BTCH 0004336881 PRIME P/N 02-013-8 BTCH 4263196.

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