INITIAL AND RECURRING INSPECTION OF THE FIRE EXTINGUISHER CHECK VALVES FOR CORROSION FOR ALL AH--64 AIRCRAFT

URGENT

TB 1-1520-238-20-119

DEPARTMENT OF THE ARMY TECHNICAL BULLETIN

INITIAL AND RECURRING INSPECTION OF THE FIRE

EXTINGUISHER CHECK VALVES FOR CORROSION

FOR ALL AH--64 AIRCRAFT

Headquarters, Department of the Army, Washington, D.C.

14 March 2002

DISTRIBUTION STATEMENT A: Approved for public release; distribution is unlimited.

NOTE

THIS PUBLICATION IS EFFECTIVE UNTIL RESCINDED OR SUPERSEDED.

Priority Classification. Urgent

a. Aircraft in Use. Upon receipt of this technical bulletin (TB), make the following entry on the DA

Form 2408--13--1. Enter a red horizontal dash //--// status symbol with the following statement: "Inspect

the fire extinguisher check valves for corrosion IAW AH--64--01--ASAM--06 (TB 1--1520--238--20--119)

within the next 50 flight hours, but NLT 1 October 2001." Clear the red horizontal dash //--// entry when

the procedures IAW para 8 and 9 are completed. The affected aircraft shall be inspected as soon as

practical but no later than 1 October 2001. Commanders who are unable to comply with the

requirements of this message within the time frame specified will upgrade the affected aircraft status

symbol to a red //X//.

b. Aircraft in Maintenance Facility.

(1) Aircraft in AVUM, AVIM, or Depot -- Commanders and facility managers will not issue

aircraft until they are in compliance with this message.

(2) Aircraft at Contractor Facility -- Boeing will inspect DD 250 aircraft prior to those aircraft

departing for ferry to final destination.

c. Aircraft in Transit.

(1) Surface/Air Shipment. Same as para 1a.

(2) Ferry Status. Same as para 1a.

d. Maintenance Trainers (Category A and B). Same as para 1a.

e. Component/Parts in Stock at All Levels (Depot and Others) Including War Reserves. N/A.

This TB supersedes USAAMCOM Message 021922Z Aug 01 (AH- 64--01--ASAM--06)