27- 4 Leading Edge Flap / Slat Position Light Systems
Interval Installed Required Procedure
C 2 1 (M)
Forward panel lights or annunciator panel may be inoperative. If forward panel lights are inoperative, annunciator panel must be used to verify proper LED position, and a placard must be installed to indicate proper positions for flap configuration in use.
5) Leading Edge Slat Indications
(- 800)
Interval Installed Required Procedure
C 8 7 (M) (O)
Indication lights on forward panel and in addition indication lights for one leading edge slat, except for slats 3, 4, 5 and 6 on overhead annunciator panel may be inoperative provided :
a. Normal operation is verified by flight crew before each takeoff and landing. b. Maximum speed is limited to 300 KIAS at/below FL 200 or .65 Mach above FL 200. c. All remaining indications on overhead annunciator panel operate normally. d. Stall warning operation of both systems is verified to operate normally.
Dispatch Deviations Procedures Guide (DDPG)
MAINTENANCE (M) PROCEDURES
With forward position indicator lights inoperative and one SLATS annunciator panel light inoperative :
1. Cycle the flaps.
2. Verify that the remaining LE DEVICES annunciator panel (P5) lights operate normally during flap extension and retraction.
NOTE: Dispatch is not allowed if the LE DEVICES annunciator panel FLAP TRANSIT lights do not illuminate properly and the forward panel light(s) are inoperative.
3. Remove the bulbs from the associated forward position indicator light(s) on the center instrument panel, P2.