SDR MALA965128

Service difficulty report · Firewall · Swrngn SA227AC

Difficulty date: September 13, 1996
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N428MA
Make and model: Swrngn SA227AC
Aircraft serial: AC646
System (JASC): 5412 · Nacelle/Pylon, Bulkhead/Firewall
Part: Firewall
Condition: Cracked
Location: Rt Nacelle
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

DURING A SCHEDULED INSPECTION IN MSP, MAINTENANCE FOUND 0.500 INCH TRANSVERSE CRACK IN RT FIREWALL. APPROXIMATE LOCATION IS BL 6.00 AND WL 91.00. STOP DRILLED CRACK, FABRICATED AND INSTALLED A 0.020 INCH STAINLESS REPAIR DOUBLER (3.50 INCH BY 1.20 INCH) IAW FAIRCHILD SRM 54-90-10, PAGES 43-45, REV. AUG 16, 1993. (X)