| AD Number | 52-28-02 | Status | Active |
| Effective Date | Not specified | Issue Date | Not specified |
| Docket Number | Unknown | Amendment | N/A |
| Product Type | ["Aircraft"] | Product Subtype | ["Small Airplane"] |
| CFR Part | --- - Part 39 | CFR Section | N/A |
| Citation | This information is not available. | ||
| Manufacturer(s) | Bellanca Aircraft Corporation |
| Model(s) | 14-13 14-13-2 14-13-3 |
52-28-02 BELLANCA: Applies to Models 14-13, 14-13-2, 14-13-3 Aircraft, Serial Numbers Up to Number 1584.
Compliance required as soon as practicable, but not later than next engine overhaul after January 1, 1953.
In order to eliminate possible hazard due to excessive pressure from the engine-driven fuel pump, install a high-pressure relief valve between the fuel pump outlet and the inlet side of the hand wobble pump.
(Bellanca Service Bulletin No. 23 covers this same subject.)