- Effective
- November 4, 1986
- Superseded by
- AD2000-01-16
- Models
- 320 Model or Series (all), 340 Model or Series (all), 401 Model or Series (all), 402 Model or Series (all), 402A, 402B and 9 more
- Registered aircraft
- 999 matched by model
- Product
- Aircraft · Small airplane
- Amendment
- 39-5451
Unofficial copy of the text in the FAA’s Dynamic Regulatory System. The FAA’s own copy is the authoritative one. DRS record last changed August 7, 2025.
Copies of the files this page was built from, with their SHA-256. Retrieved October 18, 2026.
| File | Size | SHA-256 | Original |
|---|---|---|---|
| FAA DRS HTML | 177 KB | 5d6011e5…5cb5a46 | FAA DRS (API key needed) |
On this page
Affected TCDS · 2
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 999
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.
| 1968 | 14 |
|---|---|
| 1969 | 21 |
| 1970 | 9 |
| 1971 | 11 |
| 1972 | 34 |
| 1973 | 71 |
| 1974 | 75 |
| 1975 | 76 |
| 1976 | 73 |
| 1977 | 71 |
| 1978 | 73 |
| 1979 | 56 |
| 1980 | 36 |
| 1981 | 38 |
| 1982 | 18 |
| 1983 | 2 |
| 1984 | 8 |
| 1985 | 3 |
| 1993 | 1 |
309 with no year recorded
By model
Aircraft
N100AJN8006j LLC · Shiloh, ILN100AZNnww Holdings LLC · San Angelo, TXN100LCozumel Leasing LLC · Wilmington, DE
See all 999 aircraftNTSB investigations that cite this AD · 9
Their narratives or probable cause name AD 75-23-08, often to say whether the aircraft complied with it.
NTSB CEN20LA256Accident · 1 fatalClass 3 · LimitedFinal reportCessna 320 · Round Rock, TXImproper maintenance that led to a loss of engine power due to a failed left engine magneto, the pilot’s improper application of single engine emergency procedures, and his failure to maintain control of the airplane which resulted in a collision with trees.NTSB CHI00FA265Accident · 3 fatalField investigationFinal reportCessna 340A · Mission, SDthe aircraft control not maintained by the pilot. A contributing factor was pilot fatigue.NTSB MIA99FA180Accident · 4 fatalField investigationFinal reportCessna 421C · Charlotte, NCThe failure of the pilot to shutdown the right engine and feather the propeller after a reported loss of power in the engine shortly after takeoff resulting in the airplane descending, colliding with trees and then the ground.NTSB CHI96FA171Accident · No injuriesField investigationFinal reportCessna 401 · Great Bend, KSthe failure of the exhaust header. Additional factors include the visual restrictions which prevented a detailed examination of the exhaust system, and the inadequate inspection procedures required in AD 75-23-08 R5.NTSB NYC95FA195Accident · 2 fatalField investigationFinal reportCessna 310R · Altoona, PApropagation of corrosion cracks in the right engine overboard exhaust stack and fatigue failure of the exhaust stack, which resulted in escape of hot/high velocity gases, in-flight fire, emergency descent, and subsequent collision with trees during an…NTSB ATL88LA031Accident · No injuriesLimited investigationFinal reportCessna 401A · Mobile, ALThe plt related that he was climbing through 4,300 ft when he lost the left turbocharger. He then noted sparks and then fire from the engine. He shut off the fuel, waited for the fire to go out and feathered the propeller. The flt was continued to montgomery,…NTSB SEA85FA110Accident · 1 fatalField investigationFinal reportCessna 402 · Pocatello, IDShortly after departure & level off, the plt reported an eng malfunction & initiated a return to the arpt. About 2 min later, he reported an eng fire & declared an emergency. Aprx 1 min thereafter, the rgt wing separated from the acft & the plane crashed. An…NTSB FTW85FA112Accident · 2 fatalField investigationFinal reportCessna 402B · Altus, OKDuring an eng start, prior to the flt, the l eng backfired 2 or 3 times. A witness described the 1st backfired as 'the loudest I have ever heard.' When the acft took off, two persons living near the departure end of the rwy noted that the acft (believed to be…NTSB NYC77IA010Incident · No injuriesClosedCessna 421B · Syracuse, NY