Service difficulty report · Stringer · Boeing 75724APF

Difficulty date
November 13, 2025
Submitted
January 5, 2026
Operation
Air carrier
Aircraft
N414UP
Make and model
Boeing 75724APF
Aircraft serial
23854
Aircraft time
38,641 hours, 25,890 cycles
Part
Stringer
Part number
146N3110177
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

DURING DVI INSPECTION ON EO-91261-REQ1 REV3 FOUND AFT CARGO COMPARTMENT. BILGE AREA WITH CORROSION ON STR-28R BETWEEN STA1420 AND 1440. REMOVED AND REPLACED STRINGER 28RH PER DRAWING 146N3305,146N3300 AND IAW SRM CHAPTER 51 GUIDELINES.

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