Search FAA Documents

10 results found (1631ms)

Sort by: Date AD Number

2025-16-09

final rule

Airworthiness Directives; Various Airplanes

Unsafe Condition: Manufacturing defect in screws used inside the Pacific Scientific Company rotary buckle assembly (part numbers 1111475 and 1111548-01) could result in cracking and missing screw heads when under lo...

Effective: Sep 22, 2025 Category: aircraft Compliance: Within 12 months of the effective date (September 22, 2025).

Why matched: Airworthiness Directives; Various Airplanes

2024-26-02

final rule

Airworthiness Directives; Various Airplanes and Helicopters

Unsafe Condition: The cracking on the buckle handle was caused by a material process issue and could result in occupants not being able to release the buckle in certain emergency landing conditions.

Effective: Mar 7, 2025 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Various Airplanes and Helicopters

2024-20-04

final rule

Airworthiness Directives; Various Helicopters

Unsafe Condition: A manufacturing defect in the screws used inside Pacific Scientific Company buckles P/N 1111475 (all dash numbers) and P/N 1111548-01, which are susceptible to hydrogen embrittlement due to imprope...

Effective: Nov 12, 2024 Category: aircraft Compliance: Within 50 flight hours

Why matched: Airworthiness Directives; Various Helicopters

2021-07-13

final rule

Airworthiness Directives; Pacific Scientific Company Seat Restraint System Rotary Buckle Assemblies

Unsafe Condition: cracked buckle handles on certain buckles with a date of manufacture from November 2004 through May 2007, which can lead to a failure to release a strap when the buckle is rotated, particularly whe...

Effective: May 11, 2021 Category: aircraft Compliance: Within 6 months

97-04-15

final rule

Airworthiness Directives; Pacific Scientific Company, HTL/Kin-Tech Division, Fire Extinguisher Bottle Cartridges

Unsafe Condition: Electrical shorting of the pins in the fire extinguisher bottle cartridges, caused by the presence of aluminum foil, could result in failure of the fire extinguisher bottle to discharge when comman...

Effective: Mar 7, 1997 Category: appliance Compliance: Within 30 days after the effective date of this AD

Why matched: Airworthiness Directives; Pacific Scientific Company, HTL/Kin-Tech Division, Fire Extinguisher Bottle Cartridges

94-21-06

final rule

Airworthiness Directives; Pacific Scientific Company, HTL/KIN-TECH Division, Lap Belt Assemblies and Restraint Systems

Unsafe Condition: The inability of passengers or crew to egress from their seats during an emergency situation due to problems associated with the lap belt assembly, specifically the part number 1108435 '45 degrees'...

Effective: Nov 25, 1994 Category: appliance Compliance: Within 90 days after the effective date of this AD (November 25, 1994).

Why matched: Airworthiness Directives; Pacific Scientific Company, HTL/KIN-TECH Division, Lap Belt Assemblies and Restraint Systems

93-09-07

final rule

Airworthiness Directives; PACIFIC SCIENTIFIC COMPANY, HTL/KIN-TECH DIVISION Fire Extinguishers, as listed in Pacific Scientific Alert Service Bulletin 26A1106, dated March 10, 1993

Unsafe Condition: Failure of a fire extinguisher to discharge extinguishant in the event of a fire due to a malfunctioning pressure switch in the low pressure indicating circuit.

Effective: May 11, 1993 Category: appliance Compliance: Prior to the accumulation of 500 hours time-in-service or within 60 days after the effective date...

Why matched: Airworthiness Directives; PACIFIC SCIENTIFIC COMPANY, HTL/KIN-TECH DIVISION Fire Extinguishers, as listed in Pacific Scientific Alert Service Bulletin 26A1106, dated March 10, 1993

87-20-05

final rule

Airworthiness Directives; PACIFIC SCIENTIFIC COMPANY TSO C22f Lap Belt Assemblies, Part Number 1107177 (all dash numbers), manufactured between September 1, 1984, and January 1, 1986

Unsafe Condition: Lap belt assemblies with retractor shafts made of incorrect material (dull battleship grey anodize) do not provide adequate strength.

Effective: Oct 26, 1987 Category: appliance Compliance: within 180 days after the effective date of this AD

Why matched: Airworthiness Directives; PACIFIC SCIENTIFIC COMPANY TSO C22f Lap Belt Assemblies, Part Number 1107177 (all dash numbers), manufactured between September 1, 1984, and January 1, 1986

83-11-03

final rule

Airworthiness Directives; PACIFIC SCIENTIFIC COMPANY, KIN-TECH DIVISION Attendant Restraint System Rotary Buckle Assemblies, Part Numbers 1107261-01, -05 and -09, manufactured prior to 1982

Unsafe Condition: The inability to release the restraint system assembly could cause entrapment of occupants.

Effective: Jul 18, 1983 Category: appliance Compliance: within 180 days from the effective date of this AD, unless previously accomplished

Why matched: Airworthiness Directives; PACIFIC SCIENTIFIC COMPANY, KIN-TECH DIVISION Attendant Restraint System Rotary Buckle Assemblies, Part Numbers 1107261-01, -05 and -09, manufactured prior to 1982

80-01-05 R1

final rule

Airworthiness Directives; PACIFIC SCIENTIFIC COMPANY KIN-TECH DIVISION Restraint Systems Rotary Buckles manufactured through 1970

Unsafe Condition: Failure to open of the flight crew and attendants' seat belts due to Pacific Scientific Rotary Buckles manufactured through 1970 without a black body plate assembly.

Effective: Jul 10, 1980 Category: appliance Compliance: within 240 days from January 31, 1980

Why matched: Airworthiness Directives; PACIFIC SCIENTIFIC COMPANY KIN-TECH DIVISION Restraint Systems Rotary Buckles manufactured through 1970