Service difficulty report · Retainer · Boeing 75724APF

Difficulty date
July 16, 2026
Submitted
August 20, 2026
Operation
Air carrier
Aircraft
N455UP
Make and model
Boeing 75724APF
Aircraft serial
25476
Aircraft time
46,102 hours, 22,631 cycles
Part
Retainer
Part number
148N8402Y73
Condition
Worn
Location
Zone 300
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 COMPARTMENT FWD BULKHEAD SAFETY CATCH ANGLE FOR RT APU DOOR 316AR WORN THIN. RL017. INSTALLED 1 NEW RETAINER AT STA 1885.20 BELOW WL 210 (APU COMP. FWD BULKHEAD), IAW B757-200PF SRM 51-40-02-0G-0 REV 125 20MAY2026 AND BOEING DWG 148N8402.

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