| AD Number | 84-19-04 | Status | Active |
| Effective Date | Not specified | Issue Date | Not specified |
| Docket Number | Unknown | Amendment | N/A |
| Product Type | ["Engine"] | Product Subtype | Not specified |
| CFR Part | --- - Part 39 | CFR Section | N/A |
| Citation | This information is not available. | ||
| Manufacturer(s) | Continental Motors |
| Model(s) | TSIO-520-BE |
84-19-04 TELEDYNE CONTINENTAL: Letter issued September 19, 1984. Applies to Teledyne Continental Motors TSIO-520-BE reciprocating engines incorporating part number 646571-1 fuel pumps of the following serial numbers:
Fuel Pump Assembly Serial Number
Engine Serial Number (Reference)
E108405B
528044
E108406B
528065
E108407B
528056
E108408B
528054
E108409B
528060
E108410B
528062
E108411B
528061
E108412B
528064
E108413B
528049
E158413B
528023
E158414B
528066
E168401B
528068
E168403B
528069
E168404B
528067
F018401B
528073
F081402B
528071
F018403B
528072
F068403B
528070
F158403B
528077
F158405B
528081
F158406B
528079
F188401B
528084
F188405B
528082
F198411B
528085
Compliance is required as indicated unless already accomplished. To prevent loss of fuel pressure from possible failure of the engine driven fuel pump, accomplish the following:
Prior to further flight, remove the engine driven fuel pump assembly and replace with a serviceable pump.
NOTE: Fuel pumps of the above listed part number and serial numbers may be reinstalled after modification of the drive mechanism by Teledyne Continental Motors. Modified pumps will be identified by a "K" permanently marked in the upper right hand corner of the fuel pump name plate. In addition, temporary identification of the modified pumps is provided by a purple color on the high pressure aneroid housing.
Upon request of an operator, an equivalent means of compliance with the requirements of this AD may be approved by the Manager, Atlanta Aircraft Certification Office, Federal Aviation Administration.
This airworthiness directive becomes effective upon receipt.