| AD Number | 80-11-06 | Status | Superseded |
| Effective Date | May 28, 1980 | Issue Date | Not specified |
| Docket Number | Unknown | Amendment | 39-3776 |
| Product Type | ["Aircraft"] | Product Subtype | ["Small Airplane"] |
| CFR Part | --- - Part 39 | CFR Section | N/A |
| Citation | This information is not available. | ||
| Manufacturer(s) | Piper Aircraft, Inc. |
| Model(s) | PA-31T PA-31T1 |
| Superseded By | 2012-10-09 |
80-11-06 PIPER: Amendment 39-3776. Applies to Piper PA-31T1 and PA-31T Model airplanes, Serial Nos. 31T-78O4001 thru 31T-7904053, 31T-7904056, and 31T-7904057 certificated in all categories.
To correct an error on the data plate, within the next 100 hours in service unless already accomplished, accomplish the following:
a. Locate the aircraft data plate (Part No. 79644-4), on the left side of the fuselage belly, just below the forward part of the cabin door.
b. Using an acceptable method of permanent marking (metal stamp, engraver, electric pencil, etc.), inscribe the numeral "1" behind "PA-31T" in the gold block in which "Model" is designated.
Before Modification:
"Model PA-31T"
After Modification:
"Model PA-31T1"
This amendment is effective May 28, 1980.