SDR E4EB2015120714

Service difficulty report · Longeron · Doug DC872F

Difficulty date: October 27, 2015
Submitted: December 7, 2015
Operation: Air carrier
Aircraft: N782SP
Make and model: Doug DC872F
Aircraft serial: 46013
Aircraft time: 95,432 hours, 23,967 cycles
System (JASC): 5313 · Fuselage Main, Longeron/Stringer
Part: Longeron
Condition: Damaged
Location: Fuselage
Part time: 95,432 hours, 23,967 cycles
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

AFTER REMOVAL OF LOWER IFF ANTENNA, FOUND CORROSION, JUST AFT OF NLG INTERNAL STRUCTURE AROUND ANTENNA CUT OUT. GAINED ACCESS TO AREA & FOUND LONGERON 36L WITH ELONGATED HOLES. REMOVED LONGERON 36L. FABRICATED REPAIR DOUBLER. INSTALLED DOUBLER, REPLACEMENT ANTENNA PAN FITTING & REPLACEMENT LONGERON IAW SRM.

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