| AD Number | 70-16-09 | Status | Active |
| Effective Date | Not specified | Issue Date | Not specified |
| Docket Number | Unknown | Amendment | 39-1064 |
| Product Type | ["Engine"] | Product Subtype | Not specified |
| CFR Part | --- - Part 39 | CFR Section | N/A |
| Citation | This information is not available. | ||
| Manufacturer(s) | Honeywell International Inc. |
| Model(s) | TPE331-3W |
70-16-09 AIRESEARCH: Amdt. 39-1064. Applies to Model TPE331-3W-301A engines, S/N P01001 through P-01010 and P-01012, P-01014, and P-01015, installed in but not limited to Handley-Page Model C10A aircraft.
This directive necessary because of a serious condition which may be caused by backing off of the high speed pinion retaining nut. To prevent engine failures from this cause, the following is required: Replace the high speed pinion assembly P/N 869441-2 in accordance with AiResearch telegraphic service bulletin No. 622, dated July 24, 1970, or later FAA approved revision, prior to further use.
This amendment is effective upon publication in the Federal Register for all persons except those to whom it was made effective immediately by telegram dated July 24, 1970.