Service difficulty report · Stringer · Boeing 7478F

Difficulty date
September 7, 2025
Submitted
September 22, 2025
Operation
Air carrier
Aircraft
N608UP
Make and model
Boeing 7478F
Aircraft serial
64255
Aircraft time
30,199 hours, 4,418 cycles
Part
Stringer
Part number
146U771379
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 CRACK, AFT SIDE OF STA 1960 S-40L (LEVEL1) (REPAIR). IAW EGAT WORK SHEET 50688 STEP:11-21, SRM 53-60-03-2R-9, REV 46, TR 53-150. PERFORMED EO-95191-REQ 1 REV.1 AND EI F2025A53M-2128 REV.0 AND EGAT WORK SHEET 50688.

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