Service difficulty report · Stringer · Boeing 7478F

Difficulty date
October 17, 2025
Submitted
November 5, 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
146U771323
Condition
Cracked
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 - STRINGER CRACKED, FWD & AFT SIDE OF BS 1960, S12L. ACCOMPLISHED REPAIR IAW EO-95622-REQ 1, REV 1, SRM 53-60-03-2R-4, & EGAT WORK SHEET 50798, EGAT EI F2025A53M-2576 REV 0.

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