737 Operations Manual
Non-Normal Checklists -
Engines, APU
Copyright © The Boeing Company. See title page for details.
D6-27370-400E-TBCE NNC.7.23
REVERSER UNLOCKED (IN FLIGHT)
Condition: The REVERSER UNLOCKED light illuminated
indicates that either of the two reverser sleeves has
mechanically unlocked or that the REVERSER
UNLOCKED light is giving a false indication.
Note: Only multiple failures could allow the engine to go
into reverse thrust.
Note: Unstowed reverser sleeves produce buffet, yaw, roll
and increased airplane drag.
FORWARD THRUST LEVER (affected engine) . . . . . . CHECK
CAUTION: Do not actuate the reverse thrust lever.
If the engine responds to forward thrust lever movement
and no buffet or yaw exists:
Operate the engine normally.
If the engine does not respond to forward thrust lever
movement or buffet or yaw exists:
Accomplish the ENGINE FAILURE/ SHUTDOWN
checklist.
June 07, 2002