SDR CA100125010

Service difficulty report · Spar · Gulstm GA7

Difficulty date: January 7, 2010
Submitted: March 1, 2010
Operation: General aviation
Make and model: Gulstm GA7
Aircraft time: 15,082 hours
Engine: Lyc O320D1D
Propeller: Hartzl HCF2Y*
System (JASC): 5711 · Wing Spar
Part: Spar
Condition: Corroded
Location: Rt Wing
Part time: 15,081 hours
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

(CAN) CORROSION EXFOLIATION TYPE FOUND ON THE WEB OF THE SPAR ON THE RT REAR WING (WS 76.63) (ONLY THE WEB SITUATED AT THE EXTERIOR OF THE STA, WAS 7663 WAS AFFECTED, THE INSIDE WEB WAS INTACT) ACFT HAS ALREADY FLOWN WITHOUT THE GEAR DOORS INSTALLED (BEFORE 2001) MAYBE THE CORROSION WOULD HAVE BEEN INITIATED AT THAT TIME WHEN THE EXHAUST GASES WOULD HAVE PENERTRATED THE REAR SPAR VIA THE WHEEL WELL. THE ACFT STOPPED FLYING IN JANUARY 2005 (ENGINE TO BE REPLACED) TO BE STORED.