SDR IPXA2026070271202

Service difficulty report · Retainer · Boeing 75724APF

Difficulty date: June 21, 2026
Submitted: July 7, 2026
Operation: Air carrier
Aircraft: N418UP
Make and model: Boeing 75724APF
Aircraft serial: 23905
Aircraft time: 37,132 hours, 24,518 cycles
System (JASC): 5310 · Fuselage Main, Structure
Part: Retainer
Part number: 149N601624
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

RIGHT MLG WW, AT AFT OTBD DOOR-CUTOUT, UPON THE REMOVAL OF BULB SEAL, FOUND THE RETAINER WITH CORROSION END TO END. REMOVED DAMAGED SEAL RETAINER AT AFT OTBD DOOR-CUTOUT UPON IAW SRM 51-40-02-0G-0, REQUEST FABRICATE SEAL RETAINER. INSTALLED CHANNEL SEAL RETAINER ON AT AFT OTBD DOOR CUTOUT UPON IAW DWG 149N6016 AND SRM 51-40-02-0G-0.

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