Service difficulty report · Stringer · Boeing 7478F

Difficulty date
July 30, 2026
Submitted
August 19, 2026
Operation
Air carrier
Aircraft
N612UP
Make and model
Boeing 7478F
Aircraft serial
64258
Aircraft time
30,661 hours, 4,488 cycles
Part
Stringer
Part number
142U774213
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, FWD AND AFT SIDE OF STA 740 S-18L RII COMPLETED FOR PERFORMED SRM 53-20-03-2R-5 REV.49 AND EGAT WORK SHEET NO.60593 STEP 19.COMPLETED SHOT PEEN FOR REPAIR CLIP. PERFORMED SPWPS-SP-003 REV.00, VALIDATE THE LIST OF REPAIR MATERIALS WITH PO TRACEABILITY IS DOCUMENTED ON THE FAULT THAT IS ASSOCIATED. INCLUDING FASTENERS, RAW MATERIAL, AND COMPONENTS/PARTS. 44. VERIFY REPAIR IS ACCOMPLISHED PER REQUIREMENTS.

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