- replace the SWITCH-LAND/ON/OFF/RETRACT 5LB (Panel 25VU).
 B. Do the test as given in the Para. 3. A.
 5. Close-up
________
 A. Put the aircraft back to its initial configuration.

 TASK 33-42-00-810-802

 Landing Lights - Landing Light 7LB (8LB) extends but Light does not come on
 1. Possible Causes
_______________
 - lamp

 - wiring

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 33-42-00-710-001 Operational Test of the Landing Lights
 AMM 33-42-11-000-002 Removal of the Landing Light Lamp
 AMM 33-42-11-400-004 Installation of the Landing Light Lamp
 ASM 33-42/01

 3. Fault Confirmation
__________________
 A. Do the operational test of the landing lights (Ref. AMM TASK 33-42-00-710-001).
 4. Fault Isolation
_______________
 A. If the test shows that the LANDING LIGHT 7LB (8LB) extends but the light does not come on:
 - do a check for 115 VAC at the LANDING LIGHT 7LB (8LB) connector A/L (Ref. ASM 33-42/01).
 (1) If there is 115 VAC:

 - replace the lamp (Ref. AMM TASK 33-42-11-000-002) and (Ref. AMM TASK 33-42-11-400-004).

 (2) If there is no 115 VAC:

 - do a check and repair the wiring between: CB 1LB (2LB) and the related LANDING LIGHT conn. A/L, GND and the related LANDING LIGHT conn. A/K (Ref. ASM 33-42/01).
 B. Do the test as given in the Para. 3. A.
 5. Close-up
________
 A. Put the aircraft back to its initial configuration.
 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞33-42-00∞∞∞∞∞∞∞∞∞∞Page 203
 Feb 01/98 CES

 TASK 33-42-00-810-803

 Landing Lights - Landing Light 7LB (8LB) does not retract
 1. Possible Causes
_______________
 - LANDING LIGHT 7LB (8LB)

 - wiring

 - SWITCH-LAND/ON/OFF/RETRACT 5LB

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
AMM 33-42-00-710-001 Operational Test of the Landing Lights
 AMM 33-42-11-000-001 Removal of the Landing Light 7LB (8LB)
 AMM 33-42-11-400-003 Installation of the Landing Light 7LB (8LB)
 ASM 33-42/01

 3. Fault Confirmation
__________________
 A. Do the operational test of the landing lights (Ref. AMM TASK 33-42-00-710-001).
 4. Fault Isolation
_______________
 A. If the test shows that the LANDING LIGHT 7LB (8LB) does not retract:
 - do a check for 115 VAC at the LANDING LIGHT 7LB (8LB) connector A/B (Ref. ASM 33-42/01).
 (1) If there is 115 VAC:

 - replace the LANDING LIGHT 7LB (8LB) (Ref. AMM TASK 33-42-11-000-001) and (Ref. AMM TASK 33-42-11-400-003).

 (2) If there is no 115 VAC:

 - do a check and repair the wiring between: SWITCH-LAND/ON/OFF/RETRACT 5LB pin 6 and the related LANDING LIGHT conn. A/B, GND and the related LANDING LIGHT conn. A/K, SWITCH-LAND/ON/OFF/RETRACT 5LB pin 5 and the CB 3LB (4LB) (Ref. ASM 33-42/01).

 (3) If the fault continues:

 - replace the SWITCH-LAND/ON/OFF/RETRACT 5LB (Panel 25VU).
 B. Do the test as given in the Para. 3. A.
 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞33-42-00∞∞∞∞∞∞∞∞∞∞Page 204
 Feb 01/98 CES

 5. Close-up
________
 A. Put the aircraft back to its initial configuration.

 TASK 33-42-00-810-804

 Landing Lights - Landing Light 7LB (8LB) retracts but Light does not go off
 1. Possible Causes
_______________
 - LANDING LIGHT 7LB (8LB)
 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
　
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