757
MAINTENANCE MANUAL
FLAP LEVER XMTR DATA LING INOP LEVER NOT IN DETENT
FLAP PDU XMTR FAILED FSEU NO MOTION
SLAT PDU XMTR MULT ALT CMD NOT IN POSN
LEFT FLAP XMTR FSEU ARM DISAG LEFT WING ASYM
RIGHT FLAP XMTR FSEU POWER RIGHT WING ASYM
LEFT SLAT XMTR FLAP SYSTEM FAULT ALT ARM DISAG
RIGHT SLAT XMTR SYSTEM FAULT SLAT SLAT LOSS
AUTO SLAT CKT SYSTEM ALT ARMED ISLN VALVE FLAP
3
Flap/Slat Electronic Units (FSEU's)
Figure 201 (Sheet 2)
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A
757 MAINTENANCE MANUAL
(h)
11G22, FLAP SLAT ELEC UNIT 3 CONT
(i)
11G23, FLAP SLAT ELEC UNIT 3 SENSOR
S 022-010
(5) Remove the front hold-down extractors and pull the FSEU from the rack (AMM 20-10-01/401).
TASK 27-51-01-422-011
3. Install Flap/Slat Electronic Unit (Fig. 201)_________________________________
A. References
(1)
AMM 06-41-00/201, Fuselage Access Doors and Panels
(2)
AMM 20-10-01/401, E/E Rack-Mounted Component
B.
Access
(1)
Location Zone
119 Main Equipment Center
211/212 Control Cabin - Section 41
821 Forward Cargo Door
C.
Install the FSEU
S 422-012
(1) Install the FSEU in rack with hold down extractors
(AMM 20-10-01/401).
NOTE:____You do not need to test each FSEU. Do the test that follows on the FSEU that you installed.
S 862-013
(2)
Remove the DO-NOT-CLOSE tags and close these circuit breakers on the P11 panel:
(a)
11C14, FLAP SLAT ELEC UNIT 2 POWER
(b)
11C15, FLAP SLAT ELEC UNIT 2 CONT
(c)
11C16, FLAP SLAT ELEC UNIT 2 SENSOR
(d)
11G12, FLAP SLAT ELEC UNIT 1 POWER
(e)
11G13, FLAP SLAT ELEC UNIT 1 CONT
(f)
11G14, FLAP SLAT ELEC UNIT 1 SENSOR
(g)
11G21, FLAP SLAT ELEC UNIT 3 POWER
(h)
11G22, FLAP SLAT ELEC UNIT 3 CONT
(i)
11G23, FLAP SLAT ELEC UNIT 3 SENSOR
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A
757 MAINTENANCE MANUAL
S 862-088
(3) Close the forward (No. 1) cargo door, 821 (AMM 06-41-00/201).
TASK 27-51-01-722-005
4. Test the FSEU_____________
A. References
(1)
AMM 24-22-00/201, Electrical Power - Control
(2)
AMM 29-11-00/201, Pressurize/Depressurize Main Hydraulic System
(3)
AMM 34-21-00/501, Inertial Reference System
B.
Access
(1)
Location Zones 119 Main Equipment Center 211/212 Control Cabin - Section 41 (Left)/(Right)
C.
Prepare for Test
S 862-016
(1)
Supply electrical power (AMM 24-22-00/201).
S 862-017
(2)
Make sure the trailing edge flaps (TE flaps) and leading edge slats (LE slats) are in the fully retracted position, and the flap control lever is in the zero (FLAPS UP) detent.
S 862-018
(3)
Make sure the arming switches for the alternate drive of the TE flaps and LE slats on the first-officer's main-instrument panel, P3, are not in the armed position (switch lights off).
S 862-019
(4)
Make sure the position selector switch for the alternate flaps/slats on the P3 is in the NORM position.
S 862-020
(5)
Make sure these circuit breakers on the P11 panel are closed:
(a)
EICAS (6 locations)
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