- Model
- TSIO-520-BE
- Data sheet
- TCDSE8CE
- Registered aircraft
- 4,122 matched by model
- Product
- Engine
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 May 30, 2024.
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 | 22 KB | 6c0239ff…5d65837 | FAA DRS (API key needed) |
On this page
The airworthiness directive
86-08-07 TELEDYNE CONTINENTAL MOTORS: Letter issued April 21, 1986. Applies to TSIO-520- BE reciprocating engines with the following serial numbers installed on Piper PA-46 (Malibu) airplanes:
ENGINE SERIAL NUMBERS
528026 528222 528233 528246 528085 528223 528234 528252 528205 528224 528235 528253 528208 528225 528236 528254 528215 528226 528237 528255 528216 528227 528238 528256 528217 528228 528239 528259 528219 528229 528240 528260 528220 528230 528242 528263 528221 528231 528243
Prior to further flight, remove the engine driven fuel pump assembly (P/N 646571-1) and replace with fuel pump assembly (P/N 649374-1). Upon request, an equivalent means of compliance with the requirements of this priority letter AD may be approved by the Manager, Atlanta Aircraft Certification Office, 1075 Inner Loop Road, College Park, Georgia 30337. This airworthiness directive is effective upon receipt.
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 4,122
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.
| 1918 | 1 |
|---|---|
| 1947 | 1 |
| 1948 | 2 |
| 1949 | 1 |
| 1956 | 1 |
| 1957 | 1 |
| 1962 | 2 |
| 1963 | 1 |
| 1964 | 2 |
| 1965 | 7 |
| 1966 | 14 |
| 1967 | 15 |
| 1968 | 13 |
| 1969 | 26 |
| 1970 | 16 |
| 1971 | 27 |
| 1972 | 97 |
| 1973 | 141 |
| 1974 | 137 |
| 1975 | 172 |
| 1976 | 233 |
| 1977 | 282 |
| 1978 | 475 |
| 1979 | 571 |
| 1980 | 413 |
| 1981 | 349 |
| 1982 | 157 |
| 1983 | 69 |
| 1984 | 122 |
| 1985 | 89 |
| 1986 | 59 |
| 1987 | 25 |
| 1988 | 23 |
| 1989 | 3 |
| 1990 | 9 |
| 1991 | 9 |
| 1992 | 8 |
| 1993 | 11 |
| 1994 | 10 |
| 1995 | 7 |
| 1996 | 5 |
| 1997 | 6 |
| 1998 | 11 |
| 1999 | 13 |
| 2000 | 12 |
| 2001 | 15 |
| 2002 | 2 |
| 2003 | 2 |
455 with no year recorded