- Models
- 47B, 47B3
- Data sheet
- TCDSH-1
- Registered aircraft
- 1 matched by model
- Product
- Aircraft · Rotorcraft
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 | 19 KB | a8f8403c…321ba9e | FAA DRS (API key needed) |
On this page
The airworthiness directive
47-41-03 BELL: (Was Mandatory Note 15 of AD-1H-2.) Applies to Models 47B and 47B3 Helicopters.
Compliance required not later than next 50-hour inspection after December 1, 1947.
To prevent failure of the fuel line connecting the fuel shutoff valve and auxiliary fuel pump, replace the rigid aluminum line with a flexible hose line. On Serial Numbers 2 through 5, 7 through 11, 13 and 14, replace P/N 47-686-001-37 with P/N AN 856A6A or AN 6270-6-14.
(Bell Service Bulletin 47C46 dated June 19, 1947, covers the above installation.)
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 1
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.