A-17-004
NTSB Safety Recommendation — Aviation
Recommendation text
TO THE FEDERAL AVIATION ADMINISTRATION: (1) Review Woodward HRT’s manufacturing process and quality control program for the electrohydraulic servo valve and require improvements to eliminate manufacturing or assembly errors and nonconformances that could cause uncommanded nosewheel steering anomalies in Embraer EMB-135, EMB-140, and EMB-145 aircraft; and (2) monitor and verify the effectiveness of any improvements.
In plain language (FlightFinder summary)
The Federal Aviation Administration is asked to review Woodward HRT’s manufacturing process and quality control for the electrohydraulic servo valve and require improvements to eliminate errors that could cause uncommanded nosewheel steering anomalies in Embraer EMB-135, EMB-140, and EMB-145 aircraft. Additionally, the FAA must monitor and verify the effectiveness of any improvements.
This plain-language summary is written by FlightFinder to explain the recommendation above. It is not the official wording — the verbatim NTSB text is quoted above.
Details
| Status | Closed - Acceptable Action |
|---|---|
| Mode | Aviation |
| Closed | Jun 29, 2020 |
| NTSB number | DCA13WA123 |
| Addressees | FAA |
External links
NTSB safety recommendations are advisory; addressees are not legally required to adopt them. Source: NTSB CAROL (public domain).