Service difficulty report · Doubler · Boeing 75724APF

Difficulty date
January 4, 2024
Submitted
February 9, 2024
Operation
Air carrier
Aircraft
N457UP
Make and model
Boeing 75724APF
Aircraft serial
25478
Aircraft time
36,360 hours, 21,665 cycles
Part
Doubler
Part number
311N504662
Condition
Corroded
Location
Nr 1 Nacelle
Stage of operation
IN
How discovered
9
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

*SUPPLEMENTAL SDR* *MAJOR REPAIR* FAULT- #1 PYLON INBD SKIN, INNER SKIN AFT OF PANEL# 433HR OPENING HAS EXFOLIATION CORROSION. DOT 8-004. JOB WAS ACCOMPLISHED PER UPS EO: EO-89234-REQ1 AND VT MAE EA 757-5450-27-A3488 REV -. WITHOUT ANY DEVIATIONS. REVIEWED.

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