SDR IPXA2026082130672

Service difficulty report · Stringer · Boeing 7478F

Difficulty date: July 30, 2026
Submitted: August 21, 2026
Operation: Air carrier
Aircraft: N612UP
Make and model: Boeing 7478F
Aircraft serial: 64258
Aircraft time: 30,661 hours, 4,488 cycles
System (JASC): 5313 · Fuselage Main, Longeron/Stringer
Part: Stringer
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 CRACK, AFT SIDE OF STA 2360 AT S-6R. RII COMPLETED FOR PERFORMED EGAT EI NO.F2026A53M-1644 SEQUENCE B STEP 23. VALIDATE SPECIALIZED PROCESS OUTLINED IN REPAIR INSTRUCTIONS WERE ACCOMPLISHED (EX: HEAT TREAT, SHOT/FLAP PEEN, NDT, PLATING, COMPOSITE CURE/BOND TIMES, ETC.) 24. OK TO INSTALL.

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