SDR UPS07849925

Service difficulty report · Longeron · Doug DC873F

Difficulty date: May 31, 2007
Submitted: June 11, 2007
Operation: Air carrier
Aircraft: N840UP
Make and model: Doug DC873F
Aircraft serial: 46140
Aircraft time: 72,646 hours, 25,496 cycles
System (JASC): 5313 · Fuselage Main, Longeron/Stringer
Part: Longeron
Part number: DC853B00939
Condition: Cracked
Location: Bs 1756 L14l
Stage of operation: IN
How discovered: 9
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

INSPECTION TYPE:C1 L14L STA 1756 UPPER VERT FLANGE HAS A .25 INCH CRACK FROM ATTACH FASTENER HOLE. REMOVED DAMAGED LONGERON, FABRICATED AND INSTALLED REPLACEMENT LONGERON, AND SPLICE FITTING IAW SRM 51-1-21, 53-02-02 FIG 10, 51-1-8, 51-1-20D.

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