| AD Number | 49-06-04 | Status | Active |
| Effective Date | Not specified | Issue Date | June 17, 1950 |
| Docket Number | Unknown | Amendment | N/A |
| Product Type | ["Aircraft"] | Product Subtype | ["Large Airplane"] |
| CFR Part | --- - Part 39 | CFR Section | --- - _EMPTY_ |
| Citation | This information is not available. | ||
| Manufacturer(s) | Aero Spacelines, Incorporated |
| Model(s) | 377 377MG 377SGT |
49-06-04 BOEING: Applies to Model 377 Aircraft.
The 11 convolution type altitude compensating bellows, Bendix P/N 390935, shall be replaced with new bellows after each 100 hours of operation until the 9 convolution type Bendix P/N 391003 is available and has been installed in the carburetor.