SDR AU970279

Service difficulty report · Structure · Bnorm BN2A21

Difficulty date
March 21, 1997
Submitted
March 26, 2000
Operation
General aviation
Make and model
Bnorm BN2A21
Engine
Lyc IO540K1B5
Propeller
Hartzl HCC2YK2
Part
Structure
Condition
Corroded
Location
Aircraft General
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) AIRCRAFT STRUCTURE CONTAINED EXTENSIVE CORROSION:-1. MAINPLANES HAD SEALING MATERIAL MISSING FROM LOWER SPAN LAMINATES BETWEEN FUSELAGE AND ENGINE NACELLE ALLOWING MOISTURE INGRESS AND CORROSION 2. WING SKINS PEELED BACK TO REVEAL EXFOLIATION CORROSION IN AN AREA OF THE INTERSPAR STRINGER ONE BACK FROM THE FRONT SPAR IN AN AREA JUST OUTBOARD OF THE FUEL BAY AT APPROXIMATELY STN 200 3. HORIZONTAL STABILISER EXTENSIVE SURFACE CORROSION4. VERTICAL STABILISER EXTENSIVE SURFACE CORROSION5. ELEVATOR BALANCE WEIGHTS BADLY CORRODED IN STEEL SECTIONS