SDR CA080925002

Service difficulty report · Spar · Cessna 172N

Difficulty date: September 24, 2008
Submitted: November 3, 2008
Operation: General aviation
Make and model: Cessna 172N
Aircraft time: 9,629 hours
Engine: Lyc O320H2AD
System (JASC): 5511 · Horizontal Stabilizer, Spar/Rib
Part: Spar
Part number: 053200198
Condition: Cracked
Location: Horizontal Stab
Part time: 9,629 hours
Stage of operation: NR
How discovered: O
Nature of condition: C, A
Precautionary procedure: A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

(CAN) DURING THE 100 HRS/ANNUAL INSP, IT WAS DISCOVERED THAT THE HORIZONTAL STABILIZER FRONT SPAR ASSY (PN 0532001-98) AND THE RE-INFORCEMENT SPAR (PN 0531037-1) HAVE CRACKS AT 2 PLACES, ABOUT .5 INCH IN LENGTH, RADIATING FROM THE CENTER LIGHTENING HOLE BETWEEN BOLT ATTACHMENT AREA.

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