SDR AU990015

Service difficulty report · Stringer · Fokker F27MK50

Difficulty date: January 7, 1999
Submitted: March 26, 2000
Operation: General aviation
Make and model: Fokker F27MK50
System (JASC): 5313 · Fuselage Main, Longeron/Stringer
Part: Stringer
Condition: Corroded
Location: Bs 11675
Stage of operation: IN
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

(AUS) FUSELAGE LT SIDE STRINGER NR 1143 BETWEEN FRAME NR 11675 AND STA 14926 FOUND WITH ADVANCED EXFOLIATION CORROSION EFFECTING APPROXIMATELY 70 PERCENT OF ITS LENGTH. ALSO, THE SAME STRINGER ON THE RIGHT SIDE OF THE FUSELAGE HAD THE SAME TYPE OF CORROSION FOR 100 MM (3.937 INCHES) EACH SIDE OF FRAME NRS 12975, 10725 AND 10275. CORROSION WAS FOUND DURING A SCHEDULED 12 YEARLY INSPECTION. PART TC: 21,456.