Service difficulty report · Strap · Boeing 75724APF

Difficulty date
July 11, 2025
Submitted
July 28, 2025
Operation
Air carrier
Aircraft
N471UP
Make and model
Boeing 75724APF
Aircraft serial
28842
Aircraft time
25,771 hours, 17,384 cycles
Part
Strap
Part number
148N31388000
Condition
Corroded
Location
Zone 200
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

MAJOR REPAIR, CORROSION FOUND ON STRAP AT AUXILARY POWER UNIT AIR INLET DOOR SURROUND STRUCTURE STA Y=1825 AND BETWEEN S-3R AND S-6R INSTALLED REPAIR PARTS, STRAP (1), STRAP (2), STRAP (7), FILLER (3) AND FILLER (4) AT AUXILARY POWER UNIT AIR INLET DOOR SURROUND STRUCTURE STA Y=1825 AND BETWEEN S-3R AND S-6R IAW B757-200PF SRM 53-80-15-2R-1 REPAIR 1 REV 123.

More about the Boeing 757-24APF