Service difficulty report · Strap · Boeing 75724APF

Difficulty date
March 26, 2026
Submitted
April 17, 2026
Operation
Air carrier
Aircraft
N430UP
Make and model
Boeing 75724APF
Aircraft serial
25461
Aircraft time
33,690 hours, 22,504 cycles
Part
Strap
Part number
148N313814
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

APU INLET DOOR AFT STRAP STA 1825.00 FROM STR S3R TO STR S-6R HAS EVIDENCE OF CORROSION. REMOVED CORROSION THE INNER STRAP I.A.W. B757-200PF SRM 51-40-02 AND EVALUATED I.A.W. B757-200PF SRM 53-80-15-1A-1. REMOVED INNER STRAP CORRODED I.A.W. B757-200PF SRM 51-40-02-0G-0. REMOVED CORROSION FROM MIDDLE STRAP I.A.W. B757-200PF SRM 51-10-02 AND REMOVED FASTENERS IN THE REPAIR AREA I.A.W. B757-200PF SRM 51-10-02 AND SRM 53-80-15-2R-1. INSTALLED PARTS OF REPAIR (STRAP 1, STRAP 2, FILLER 3, FILLER 4 AND STRAP 5), 4 FITTINGS, 2 SHEAR TIE AND OUTER STRAP I.A.W. B757-200 PF SRM 51-40-02-0G-0.

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