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FAA
Federal Aviation Administration Department of Transportation
Aviation Safety
AIRWORTHINESS DIRECTIVE
Generated by Aircraft-logs.com — March 24, 2026

AD 59-23-03 ACTIVE

Fire Extinguisher Cartridge
Key Information
AD Number 59-23-03 Status Active
Effective Date Not specified Issue Date Not specified
Docket Number Unknown Amendment N/A
Product Type ["Aircraft"] Product Subtype ["Large Airplane"]
CFR Part --- - Part 39 CFR Section N/A
Citation This information is not available.
Applicability
Manufacturer(s) Maryland Air Industries, Inc.
Model(s) F-27 F-27A F-27B F-27F F-27G F-27J F-27M
Regulatory Text

59-23-03 FAIRCHILD: Applies to F-27 Series aircraft Serial Numbers 1 to 63 inclusive.

Compliance required not later than December 1, 1959.

(a) The present cartridge unit in the fire extinguisher system has been found to be unreliable above 20,000 feet. Modified cartridge units must therefore be installed to insure reliability above 20,000 feet.

(b) Remove four Fenwal fire extinguisher cartridge units, P/N 690202-2, attached to main and reserve fire extinguisher bottles located in left and right nacelles, and replace with new Fenwal fire extinguisher cartridge units, P/N 6900202-3.

(Fairchild F-27 Service Bulletin No. 26-1 covers this same subject.)

AD 59-23-03 — Fire Extinguisher Cartridge
Printed from Aircraft-logs.com — 03/24/2026