Service difficulty report · Stringer · Boeing 7478F

Difficulty date
October 16, 2025
Submitted
October 28, 2025
Operation
Air carrier
Aircraft
N609UP
Make and model
Boeing 7478F
Aircraft serial
64254
Aircraft time
30,057 hours, 4,416 cycles
Part
Stringer
Part number
146U771345
Condition
Cracked
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

STRINGER CRACKED, FWD AND AFT SIDE OF STA 2180 S-23L. ACCOMPLISHED REPAIR I.A.W UPS EO-95678-REQ1 REV.1 AND SRM 53-60-03-2R-12 TR: 53-160 AND EGAT WORK SHEET NO.50769.

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