SDR IPXA2025091653930

Service difficulty report · Support Angle · Boeing 75724APF

Difficulty date: August 31, 2025
Submitted: September 23, 2025
Operation: Air carrier
Aircraft: N405UP
Make and model: Boeing 75724APF
Aircraft serial: 23727
Aircraft time: 39,821 hours, 26,868 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Support Angle
Part number: 148N313820
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 SUPPORT STRUCTURE FWD STRAP O/B END SHOWS SIGNS OF CORROSION , HAS 3 EA NUT PLATES PULLED THROUGH STRAP WHITH A LAYER OF WHITE POWDER. REMOVED AND REPLACED SUPPORT ANGLES IAW SRM 51 GUIDELINES, USING THE ORIGINAL PARTS AS SAMPLE IAW UPS GMM REV 12 SECTION 09-08.

More about the Boeing 757-24APF