W DOC AIRBUS | AMM A320F

Reactivation of the Heated Floor Panels

TASK 25-27-00-440-801-A
Reactivation of the Heated Floor Panels

ZONE: 100
ZONE: 200
FIN: 15DS ** ON A/C NOT FOR ALL
FIN: 16DS ** ON A/C NOT FOR ALL
FIN: 30DS ** ON A/C NOT FOR ALL
FIN: 31DS ** ON A/C NOT FOR ALL
FIN: 32DS ** ON A/C NOT FOR ALL
FIN: 33DS ** ON A/C NOT FOR ALL
FIN: 5DS ** ON A/C NOT FOR ALL
FIN: 6DS ** ON A/C NOT FOR ALL
1. Reason for the Job
MMEL 25-27-42A
HEATING FUNCTION OF HEATED FLOOR PANELS (PASSENGER/CREW DOORS, EMERGENCY EXITS, AND GALLEY AREAS) (FAA ONLY)
(FAA Reference: MMEL 252701)
NOTE: This reactivation task is not related to an AFM-CML/MMEL item for all aircraft under EASA or CAAC regulation.
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
AR
SAFETY CLIP - CIRCUIT BREAKER
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
100
LOWER HALF FUSELAGE INCLUDING RADOME
200
UPPER HALF FUSELAGE
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 24-41-00-861-002-A
Energize the Aircraft Electrical Circuits from the External Power
TASK 24-41-00-861-002-A-01
Energize the Aircraft Electrical Circuits from the APU
TASK 24-41-00-861-002-A-02
Energize the Aircraft Electrical Circuits from Engine 1(2)
TASK 24-42-00-862-001-A
De-energize the Ground Service Network Supplied from the External Power
3. Job Set-up
Subtask 25-27-00-861-054-A ** ON A/C NOT FOR ALL
A. Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
4. Procedure
Subtask 25-27-00-865-063-A ** ON A/C NOT FOR ALL
A. Open, safety and tag this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
2000VUDOOR AREA HTG PANELS-CTL54DSA07
2000VUDR AREA HTG PNLS-DR1-FPH-RH52DSA06
2000VUDR AREA HTG PNLS-DR1-FPH-LH51DSA05
** ON A/C NOT FOR ALL
2000VUDR AREA HTG PNLS-CTL3DSF08
2000VUDR AREA HTG PANELS-DR2-FPH1DSF07
** ON A/C NOT FOR ALL
2000VUDR AREA HTG PNLS-DOOR1-FPH-RH52DSF06
2000VUDR AREA HTG PNLS-DOOR1-FPH LH51DSF05
** ON A/C NOT FOR ALL
2000VUDR AREA HTG PANELS-DR2-HTR1DSA08
2000VUDR AREA HTG PANELS-DR2-CTL3DSA06
** ON A/C NOT FOR ALL
2001VUDOOR AREA HTG PNL-DOOR3-HTR11DSF05
2001VUDR AREA HTG PNLS-DOOR 3-CTL13DSF03
Subtask 25-27-00-440-050-A ** ON A/C NOT FOR ALL
B. Reactivation of the Heated Floor Panels of Door 1
   (1) Remove the blanking cap from the related fuse socket and install a serviceable fuse:
  • HFP 30DS (RH-A) / Control Unit 66DS - Heater 1
  • HFP 31DS (LH-A) / Control Unit 60DS - Heater 1
  • HFP 32DS (RH-B) / Control Unit 66DS - Heater 2
  • HFP 33DS (LH-B) / Control Unit 60DS - Heater 2
   (2) Do the trouble shooting of the heated floor panels with the fault symptom as entry into the TSM.
Subtask 25-27-00-440-051-A ** ON A/C NOT FOR ALL
C. Reactivation of the Heated Floor Panels at the Emergncy Exit Doors
   (1) Remove the blanking cap from the related fuse socket and install a serviceable fuse:
     (a) For Door 2 Area:
  • HFP 5DS (LH) / Control Unit 4DS - Heater 1
  • HFP 6DS (RH) / Control Unit 4DS - Heater 2
     (b) For Door 3 Area:
  • HFP 15DS (LH) / Control Unit 14DS - Heater 1
  • HFP 16DS (RH) / Control Unit 14DS - Heater 2
   (2) Do the trouble shooting of the heated floor panels with the fault symptom as entry into the TSM.
Subtask 25-27-00-440-051-B ** ON A/C NOT FOR ALL
C. Reactivation of the Heated Floor Panels at the Emergncy Exit Doors
   (1) Remove the blanking cap from the related fuse socket and install a serviceable fuse:
  • HFP 15DS (LH) / Control Unit 14DS - Heater 1
  • HFP 16DS (RH) / Control Unit 14DS - Heater 2
   (2) Do the trouble shooting of the heated floor panels with the fault symptom as entry into the TSM.
Subtask 25-27-00-865-061-A ** ON A/C NOT FOR ALL
D. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
2000VUDOOR AREA HTG PANELS-CTL54DSA07
2000VUDR AREA HTG PNLS-DR1-FPH-RH52DSA06
2000VUDR AREA HTG PNLS-DR1-FPH-LH51DSA05
** ON A/C NOT FOR ALL
2000VUDR AREA HTG PNLS-CTL3DSF08
2000VUDR AREA HTG PANELS-DR2-FPH1DSF07
** ON A/C NOT FOR ALL
2000VUDR AREA HTG PNLS-DOOR1-FPH-RH52DSF06
2000VUDR AREA HTG PNLS-DOOR1-FPH LH51DSF05
** ON A/C NOT FOR ALL
2000VUDR AREA HTG PANELS-DR2-HTR1DSA08
2000VUDR AREA HTG PANELS-DR2-CTL3DSA06
** ON A/C NOT FOR ALL
2001VUDOOR AREA HTG PNL-DOOR3-HTR11DSF05
2001VUDR AREA HTG PNLS-DOOR 3-CTL13DSF03
Subtask 25-27-00-860-050-A ** ON A/C NOT FOR ALL
E. Put the aircraft back to the serviceable condition.
   (1) Close the related item(s) in the logbook.
5. Close-up
Subtask 25-27-00-862-054-A ** ON A/C NOT FOR ALL
A. De-energize the ground service network
(Ref. AMM TASK 24-42-00-862-001).
[Rev.10 from 2021] 2026.03.31 23:32:50 UTC
"Aviabrain" 2025