Fluid Leak Measurement - Maintenance Practices

TASK 05-50-00-790-001-A
Fluid Leak Measurement - Maintenance Practices

1. Reason for the Job
This task gives you all the fluid leak measurement procedures for flight controls, fuel, hydraulic, landing gear, cargo door and power plant systems.
2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
TASK 28-11-00-280-002-A	Structural Fuel Tank Leaks - General Information
TASK 29-00-00-790-001-A	Check of the External Leaks of the Hydraulic Components
TASK 71-00-00-790-003-A	Drain Mast Leakage Identification Procedure
TASK 71-00-00-790-005-A	Drain Mast Leakage Identification Procedure
TASK 71-00-00-910-803-A	Engine Operation Limits and Guidelines
TASK 71-70-00-600-010-A	Leakage Rates at Drains Mast

3. Job Set-up
Subtask 05-50-00-941-052-A

A. Not Applicable

4. Procedure
Subtask 05-50-00-360-050-A ** ON A/C NOT FOR ALL

A. Measurement of Leaks
(1) Measurement of hydraulic system leaks (Ref. AMM TASK 29-00-00-790-001).
(2) Measurement of flight control system leaks (Ref. AMM TASK 29-00-00-790-001).
(3) Measurement of fuel system leaks (Ref. AMM TASK 28-11-00-280-002).
(4) Measurement of landing gear system leaks (Ref. AMM TASK 29-00-00-790-001).
(5) Measurement of cargo system leaks (Ref. AMM TASK 29-00-00-790-001).
(6) Measurement of power plant system leaks (Ref. AMM TASK 71-70-00-600-010).

Subtask 05-50-00-360-050-B ** ON A/C NOT FOR ALL

A. Measurement of Leaks
(1) Measurement of hydraulic system leaks (Ref. AMM TASK 29-00-00-790-001).
(2) Measurement of flight control system leaks (Ref. AMM TASK 29-00-00-790-001).
(3) Measurement of fuel system leaks (Ref. AMM TASK 28-11-00-280-002).
(4) Measurement of landing gear system leaks (Ref. AMM TASK 29-00-00-790-001).
(5) Measurement of cargo door system leaks (Ref. AMM TASK 29-00-00-790-001).
(6) Measurement of power plant system leaks (Ref. AMM TASK 71-00-00-790-003).

Subtask 05-50-00-360-050-E ** ON A/C NOT FOR ALL

A. Measurement of Leaks
(1) Measurement of hydraulic system leaks (Ref. AMM TASK 29-00-00-790-001).
(2) Measurement of flight-control system leaks (Ref. AMM TASK 29-00-00-790-001).
(3) Measurement of fuel system leaks (Ref. AMM TASK 28-11-00-280-002).
(4) Measurement of landing-gear system leaks (Ref. AMM TASK 29-00-00-790-001).
(5) Measurement of cargo-door system leaks (Ref. AMM TASK 29-00-00-790-001).
(6) Measurement of power-plant system leaks (Ref. AMM TASK 71-00-00-910-803).

Subtask 05-50-00-360-050-F ** ON A/C NOT FOR ALL

A. Measurement of Leaks
(1) Measurement of hydraulic system leaks (Ref. AMM TASK 29-00-00-790-001).
(2) Measurement of flight control system leaks (Ref. AMM TASK 29-00-00-790-001).
(3) Measurement of fuel system leaks (Ref. AMM TASK 28-11-00-280-002).
(4) Measurement of landing gear system leaks (Ref. AMM TASK 29-00-00-790-001).
(5) Measurement of cargo door system leaks (Ref. AMM TASK 29-00-00-790-001).
(6) Measurement of power plant system leaks (Ref. AMM TASK 71-00-00-790-005).

[Rev.10 from 2021] 2026.04.01 03:56:57 UTC