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
146U771377
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

STRINGER CRACKED, AFT SIDE OF BS 1960 S39L (LEVEL1) (REPAIR). IAW EGAT WORK SHEET 50689, STEPS 11-21, SRM:53-60-03-2R-9, REV 46, TR 53-150. PERFORM EO-95190-REQ 1, REV 1, & EI F2025A53M-2127, REV 0, & EGAT WORK SHEET 50689.

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