AD 97-16-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Saab AB, Saab Aerosystems | SAAB 340B | Airworthiness Directives; Saab Model SAAB SF340A and SAAB 340B Series Airplanes |
| aircraft | Saab AB, Saab Aerosystems | 340A (SAAB SF340A) | Airworthiness Directives; Saab Model SAAB SF340A and SAAB 340B Series Airplanes |
Unsafe Condition
Incorrect wiring of the wire harness installation to the fire extinguisher cartridges in the engine nacelles, which would result in inability of the fire extinguishers to jointly discharge extinguishing agent into a nacelle in the event of an engine fire.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform inspections to ensure proper connections of the wire harness installation to the engine nacelle fire extinguishers, correct any discrepancies, and modify the wiring in accordance with specified service bulletins. Repeat inspections after certain maintenance actions and conduct a subsequent inspection within 4,000 hours time-in-service or next scheduled maintenance to measure wiring length and modify if exceeding 7 inches (180 mm).
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 25 days after February 16, 1994; repeat inspections immediately following specific maintenance actions; and within 4,000 hours time-in-service after the effective date of this AD or at the next scheduled maintenance inspection after the effective date, whichever occurs earlier.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Model SAAB SF340A series airplanes with serial numbers 004 through 159 inclusive; and Model SAAB 340B series airplanes with serial numbers 160 through 345 inclusive.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.