Replace Pressure Reducer (P/N D41428 and D41552)
TASK 26-23-00-920-802-A
Replace Pressure Reducer (P/N D41428 and D41552)
Refer to the MPD TASK: 262318-01
REPLACE PRESSURE REDUCER (P/N D41428 AND D41552)
2. Job Set-up Information
A. Work Zones and Access Panels
B. Referenced Information
3. Job Set-up
Subtask 26-23-00-941-056-A ** ON A/C NOT FOR ALL
Subtask 26-23-00-960-050-A ** ON A/C NOT FOR ALL
Subtask 26-23-00-942-061-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.03.31 23:45:49 UTC
Replace Pressure Reducer (P/N D41428 and D41552)
ZONE: 130
ZONE: 150
ZONE: 160
ZONE: 170
FIN: 5014WM ** ON A/C NOT FOR ALL
FIN: 5015WM ** ON A/C NOT FOR ALL
FIN: 5044WM ** ON A/C NOT FOR ALL
FIN: 5045WM ** ON A/C NOT FOR ALL
1. Reason for the JobZONE: 150
ZONE: 160
ZONE: 170
FIN: 5014WM ** ON A/C NOT FOR ALL
FIN: 5015WM ** ON A/C NOT FOR ALL
FIN: 5044WM ** ON A/C NOT FOR ALL
FIN: 5045WM ** ON A/C NOT FOR ALL
Refer to the MPD TASK: 262318-01
REPLACE PRESSURE REDUCER (P/N D41428 AND D41552)
2. Job Set-up Information
A. Work Zones and Access Panels
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 130 | FWD CARGO COMPT AFT BULKHEAD OF AVNCS COMPT TO FWD PRESSURE BULKHEAD OF WING CENTER BOX |
| 150 | AFT CARGO COMPARTMENT FWD PRESS BULKHEAD TO AFT BULKHEAD OF AFT CARGO COMPARTMENT |
| 160 | BULK CARGO COMPARTMENT AFT BULKHEAD OF AFT CARGO COMPARTMENT TO AFT BULKHEAD OF BULK CARGO COMPARTMENT |
| 170 | AFT CAB U/FLOOR COMPT AFT BHD OF BULK |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 26-23-18-000-001-A | Removal of the Pressure Reducer |
| TASK 26-23-18-000-002-A | Removal of the Pressure Reducer |
| TASK 26-23-18-400-001-A | Installation of the Pressure Reducer |
| TASK 26-23-18-400-002-A | Installation of the Pressure Reducer |
Subtask 26-23-00-941-056-A ** ON A/C NOT FOR ALL
A. There is no special job set-up for this task.
4. ProcedureSubtask 26-23-00-960-050-A ** ON A/C NOT FOR ALL
A. Replace the Pressure Reducer
(1) Replace the pressure reducer (Ref. AMM TASK 26-23-18-000-001) and (Ref. AMM TASK 26-23-18-400-001).
Subtask 26-23-00-960-050-B ** ON A/C NOT FOR ALL (1) Replace the pressure reducer (Ref. AMM TASK 26-23-18-000-001) and (Ref. AMM TASK 26-23-18-400-001).
NOTE: Life limitation value for ETOPS is 20 years.
A. Replace the Pressure Reducer
(1) Replace the pressure reducer (Ref. AMM TASK 26-23-18-000-001) and (Ref. AMM TASK 26-23-18-400-001) or (Ref. AMM TASK 26-23-18-000-002) and (Ref. AMM TASK 26-23-18-400-002).
5. Close-up(1) Replace the pressure reducer (Ref. AMM TASK 26-23-18-000-001) and (Ref. AMM TASK 26-23-18-400-001) or (Ref. AMM TASK 26-23-18-000-002) and (Ref. AMM TASK 26-23-18-400-002).
NOTE: Life limitation value for ETOPS is 20 years.
Subtask 26-23-00-942-061-A ** ON A/C NOT FOR ALL
A. No special close-up is necessary for this task.