1. Confirmer l’item, la catégorie et le nombre requis dans le MEL officiel (lien PDF).
2. Appliquer les procédures (O) et/ou (M) du MEL avant dispatch — texte officiel ci-dessous.
3. Placard (texte MEL) :
Apply sticker adjacent to the Exterior Door Annunciator Lights on the Forward Overhead Panel.
4. Journey log / other instructions (texte MEL) :
Print the following information in the journey log sheet.
FLIGHT LOCK SYSTEM INOP
5. Respecter toutes les restrictions du MEL — ne pas en inventer.
(O) OPERATIONS PROCEDURES — texte MEL :
52-15-03 and 52-15-04-01 Flight Lock System Overwing Exit Inop
1. During the exterior walkaround, verify the associated door is CLOSED.
52-15-04-02 Aft Overwing Exits Flight Lock System Inop. (Combi Configuration)
1. During the exterior walkaround, verify the associated door is CLOSED.
2. The seat immediately adjacent to the affected exit shall be assigned to a company employee. The
employee will be briefed on the following:
a) The employee must remain seated at their assigned seat with their seat belt fastened at all
times when the seatbelt sign is on.
b) The employee must prevent anyone from tampering with the emergency exit at all times
during flight.
c) In flight, the employee must not attempt to open the emergency exit under any
circumstances.
d) On the ground, the employee must not attempt to open the emergency exit unless ordered to
do so by a crew member, or unless safety dictates otherwise.
(M) MAINTENANCE PROCEDURES — texte MEL (maintenance ; l’équipage vérifie que c’est fait) :
None required.
(M#) MAINTENANCE PROCEDURES — personnel maintenance obligatoire — texte MEL :
52-15-03, 52-15-04-01, 52-15-04-02, Flight Lock System Overwing Exit Inop
NOTE: After performing the following maintenance procedure, the PSEU may indicate nuisance non-
dispatchable flight lock switch fault(s) after using the airplane battery to power up the
airplane. Fault codes 52-72106(L Fwd), 52-72107(L), 52-72108(R), 52-72109(R Fwd) may
appear depending on which door was deferred. In this instance, fault(s) can be cleared by
performing AMM task 32-09-00-860-802 paragraph E.(7).(a)-(e).
1. Deactivate affected flight lock input(s) to associated flight deck indications, including input to
Master Caution System. Disconnect, cap and stow the associated PSEU connector wire and then
jumper the PSEU connector as indicated in the table below.
REMOVE WIRE
AFFECTED ASSOCIATED PIN NUMBERS
MODEL (CAP & STOW)
OVERWING EXIT CONNECTOR TO BE JUMPERED
FROM PIN NUMBER
737-800 Left Aft D10986 Pin 20 Pin 40 to Pin 20
737-800 Left Forward D10986 Pin 53 Pin 40 to Pin 53
737-800 Right Aft D10988 Pin 02 Pin 53 to Pin 02
737-800 Right Forward D10988 Pin 52 Pin 53 to Pin 52
NOTE: Use 20 AWG wire gauge for the jumpers installed in Step 1.
2. Verify that the indications associated with the affected flight lock(s), including the input to the
Master Caution system, have been deactivated.
a) Establish electrical power to airplane.
b) Open P6-2 Panel circuit breakers OVERWING FLIGHT LOCK LEFT and OVERWING FLIGHT
LOCK RIGHT.
c) Open P6-3 Panel circuit breakers FUEL SPAR VALVE ENG 1 and FUEL SPAR VALVE ENG 2.
d) Open P6-1 Panel circuit breaker WEATHER RADAR RT.
e) Verify that both ENGINE START switches are in the AUTO position.
f) Position both engine start levers to IDLE position.
NOTE: Start levers must be in IDLE position for at least 5 minutes prior to advancing thrust
levers (Step 2(i)).
g) Verify that at least 3 of the 4 Entry/Service Doors are closed.
h) Verify that all of the Overwing Exit Doors are closed.
i) Advance fully both thrust levers.
j) Verify that the overhead panel Overwing Light(s) associated with the inoperative flight lock(s)
is extinguished.
k) Retard fully both thrust levers.
l) Close P6-2 Panel circuit breakers OVERWING FLIGHT LOCK LEFT and OVERWING FLIGHT
LOCK RIGHT.
m) Advance fully both thrust levers.
n) Verify that all overhead panel Overwing Lights are extinguished.
o) Press Master Caution recall.
p) Verify that the PSEU Light is extinguished.
q) Retard fully both thrust levers.
r) Position both engine start levers to CUTOFF position.
s) Close P6-3 Panel circuit breakers FUEL SPAR VALVE ENG 1 and FUEL SPAR VALVE ENG 2.
t) Close P6-1 Panel circuit breaker WEATHER RADAR RT.
3. From the aircraft exterior, verify the associated door is CLOSED.