Airworthiness Directive · Amendment 39-16789 · WYTWORNIA SPRZETU KOMUNIKACYJNEGO (WSK) “PZL-RZESZOW”-SPOLKA AKCYJNA (SA) PZL-10W Turboshaft Engines

AD 2011-18-07

WYTWORNIA SPRZETU KOMUNIKACYJNEGO (WSK) “PZL-RZESZOW”-SPOLKA AKCYJNA (SA) PZL-10W Turboshaft Engines

Engine

Published: September 19, 2011
Effective: October 4, 2011
Maker: WYTWORNIA SPRZETU KOMUNIKACYJNEGO (WSK) PZL--Rzeszow" SPOLKA AKCYJNA (SA)
Supersedes: Nothing

Applies to

This AD applies to WSK PZL-10W series turboshaft engines with a fuel metering pump, part number ALRP-5, installed. These engines are installed on, but not limited to, PZL W-3A and PZL W-3AS helicopters.

The FAA's summary

We are adopting a new airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) issued by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:

What it requires

Actions and Compliance

Within the compliance time indicated in Table 1 of this AD, perform a one time inspection of spline teeth on the fuel metering pump shaft for excessive wear Use WSK Obligatory Bulletin no. E-19W147B/DOA/2010 (this bulletin has no issue date) to do the inspection.

Table 1

Engine configuration at the effective date of this AD	Compliance time for the inspection
(1) Engine fitted with a fuel metering pump that has accumulated grater than or equal to 1 000 hours of engine operation since new or since last overhaul.	Within 25 hours of engine operation after the effective date of this AD.
(2) Engine fitted with a fuel metering pump that has accumulated less than 1 000 hours since new or since last overhaul.	Before accumulating 1,000 hours of engine operation since new or since last overhaul, or within 25 hours of engine operation after the effective date of this AD, whichever is later.

(3) Do not operate any aircraft with an engine fuel metering pump that fails the inspection required by paragraph (e) of this AD.

(4) After the effective date of this AD, do not install any ALRP-5 fuel pump on an engine unless it passes the inspection required by paragraph (e) of this AD.

FAA AD Differences

This AD doesn't require reporting.

Official sources

The Federal Register document · document 2011-23930, the legal text
FAA Dynamic Regulatory System (DRS) · search 2011-18-07 for its current status and any corrections

Engine configuration at the effective date of this AD

Compliance time for the inspection

(1) Engine fitted with a fuel metering pump that has accumulated grater than or equal to 1 000 hours of engine operation since new or since last overhaul.

Within 25 hours of engine operation after the effective date of this AD.

(2) Engine fitted with a fuel metering pump that has accumulated less than 1 000 hours since new or since last overhaul.

Before accumulating 1,000 hours of engine operation since new or since last overhaul, or within 25 hours of engine operation after the effective date of this AD, whichever is later.