Removal of the Starter Flapper Door [CFML]
TASK 71-13-48-000-802-A
Removal of the Starter Flapper Door
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 71-13-48-941-052-A
Subtask 71-13-48-020-052-A
[Rev.10 from 2021]
2026.04.02 06:33:23 UTC
Removal of the Starter Flapper Door
WARNING:
BE CAREFUL WHEN YOU DO WORK ON THE ENGINE PARTS AFTER THE ENGINE SHUTDOWN. USE APPLICABLE THERMAL GLOVES. THE ENGINE PARTS CAN STAY HOT FOR ONE HOUR AFTER SHUTDOWN AND CAN BURN YOU.
CAUTION:
DO NOT EXTEND THE SLATS WHEN THE FAN COWLS AND THE THRUST REVERSER COWLS ARE OPEN. IF YOU DO THIS, DAMAGE TO THE AIRCRAFT CAN OCCUR.
1. Reason for the JobSelf explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | 1 | ACCESS PLATFORM 1M(3 FT) |
| No specific | AR | WARNING NOTICE(S) |
| 98D27803500001 | 1 | LOCKING TOOL ZERO POS |
| 98D27803500002 | 1 | LOCKING TOOL ZERO POS |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1) | |
| 437AL, 438AR | |
| FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2) | |
| 447AL, 448AR | |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 27-80-00-866-005-A | Retracting the Slats on the Ground |
| TASK 71-13-00-010-803-A | Opening of the Fan Cowl Doors |
Subtask 71-13-48-941-052-A
A. Safety Precautions
(1) On the center pedestal, on ENG panel 115VU:
(a) Make sure that the ENG/MODE selector switch is in the NORM position.
(b) Make sure that the ENG/MASTER 1(2) control switch was in the OFF position not less than five minutes before you do this procedure.
(c) Put WARNING NOTICE(S) in position to tell persons not to operate:
(a) Make sure that the ON legend of the FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a WARNING NOTICE(S) in position to tell persons not to energize FADEC 1(2).
(3) Make sure that the slats are in the fully retracted position (Ref. AMM TASK 27-80-00-866-005).
(4) Install the 98D27803500001 LOCKING TOOL ZERO POS or 98D27803500002 LOCKING TOOL ZERO POS on the flap and slat control lever on panel 114VU.
Subtask 71-13-48-010-052-A (1) On the center pedestal, on ENG panel 115VU:
(a) Make sure that the ENG/MODE selector switch is in the NORM position.
(b) Make sure that the ENG/MASTER 1(2) control switch was in the OFF position not less than five minutes before you do this procedure.
(c) Put WARNING NOTICE(S) in position to tell persons not to operate:
- The ENG/MODE selector switch,
- The ENG/MASTER 1(2) control switch.
(a) Make sure that the ON legend of the FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a WARNING NOTICE(S) in position to tell persons not to energize FADEC 1(2).
(3) Make sure that the slats are in the fully retracted position (Ref. AMM TASK 27-80-00-866-005).
(4) Install the 98D27803500001 LOCKING TOOL ZERO POS or 98D27803500002 LOCKING TOOL ZERO POS on the flap and slat control lever on panel 114VU.
B. Get Access
(1) Open the fan cowl doors (Ref. AMM TASK 71-13-00-010-803):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
437AL 438AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
447AL 448AR
(2) Put an ACCESS PLATFORM 1M(3 FT) in position.
4. Procedure(1) Open the fan cowl doors (Ref. AMM TASK 71-13-00-010-803):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
437AL 438AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
447AL 448AR
(2) Put an ACCESS PLATFORM 1M(3 FT) in position.
Subtask 71-13-48-020-052-A
A. Removal of the Starter Flapper Door
(1) Remove the bolts (1) and nuts (3).
(2) Discard the nuts (3).
(3) Remove the starter flapper door (2) from the fan cowl door.
(1) Remove the bolts (1) and nuts (3).
(2) Discard the nuts (3).
(3) Remove the starter flapper door (2) from the fan cowl door.
Starter Flapper Door