AD/BELL 412/26 - Bogus Pressure Gauge Emergency Floats P/N 212-073-905-1
1AD/BELL 412/26 - Bogus Pressure Gauge Emergency Floats P/N 212-073-905-1
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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Image unavailable in extracted text Bell Helicopter Textron 412 Series Helicopters
AD/BELL 412/26 Bogus Pressure Gauge Emergency
Floats P/N 212-073-905-1
4/90
DM
Applicability: All models.
Requirement: Action in accordance with Bell OSN-GEN-89-14.
Compliance: At the next inspection for Maintenance Release issue after 28 February 1990 or before the next charging of the emergency float reservoir, whichever is earlier.
Background: The aircraft manufacturer has had reported an incident where the subject pressure gauge exploded at only 2000 psig. The gauge was subsequently found to be bogus. Failure of the bogus gauge could severely injure maintenance personnel.