Visual Inspection of the T5 Sensor [CFMB]
TASK 77-22-10-210-002-A
Visual Inspection of the T5 Sensor
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Referenced Information
3. Job Set-up
Subtask 77-22-10-941-052-A ** ON A/C NOT FOR ALL
Subtask 77-22-10-210-051-A ** ON A/C NOT FOR ALL
Subtask 77-22-10-410-057-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.02 06:37:43 UTC
Visual Inspection of the T5 Sensor
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | ACCESS PLATFORM 1M(3 FT) |
| No specific | AR | BRUSH - BRISTLED |
| No specific | AR | WARNING NOTICE(S) |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.CP1039) | acetone |
| (Material No.CP1041) | isopropyl alcohol |
| (Material No.CP2010) | white spirit |
| (Material No.CP2559) | ardrox 552 |
| (Material No.CP2560) | turco ind 79 |
| (Material No.CP2566) | mag-chem teksol |
| (Material No.CP2584) | degreasol 99 R |
| (Material No.CP2656) | mag-chem skysol |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| FOR [1000EM1] (ENGINE-1) | |
| 437AL, 438AR, 452AR | |
| FOR [1000EM2] (ENGINE-2) | |
| 447AL, 448AR, 462AR | |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 71-13-00-010-040-B | Opening of the Fan Cowl Doors |
| TASK 71-13-00-410-040-B | Closing of the Fan Cowl Doors |
| TASK 77-22-10-000-002-A | Removal of the T5 Sensor |
| TASK 77-22-10-400-002-A | Installation of the T5 Sensor |
| TASK 78-30-00-081-041-B | Make the Thrust Reverser Serviceable after Maintenance |
| TASK 78-30-00-481-041-B | Make the Thrust Reverser Unserviceable for Maintenance |
| TASK 78-36-00-010-040-B | Opening of the Thrust Reverser Doors |
| TASK 78-36-00-410-040-B | Closing of the Thrust Reverser Doors |
Subtask 77-22-10-941-052-A ** ON A/C NOT FOR ALL
A. Safety Precautions
(1) On the center pedestal, on the ENG panel 115VU:
(a) Put a WARNING NOTICE(S) to tell persons not to start the engine.
(2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3) On the overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a WARNING NOTICE(S) to tell persons not to energize the FADEC 1(2).
Subtask 77-22-10-010-059-A ** ON A/C NOT FOR ALL (1) On the center pedestal, on the ENG panel 115VU:
(a) Put a WARNING NOTICE(S) to tell persons not to start the engine.
(2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3) On the overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a WARNING NOTICE(S) to tell persons not to energize the FADEC 1(2).
B. Get Access
(1) Open the fan cowl doors (Ref. AMM TASK 71-13-00-010-040):
(a) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(b) FOR [1000EM2] (ENGINE-2)
447AL 448AR
(2) Put the ACCESS PLATFORM 1M(3 FT) in position.
Subtask 77-22-10-040-055-A ** ON A/C NOT FOR ALL Subtask 77-22-10-010-054-A ** ON A/C NOT FOR ALL (1) Open the fan cowl doors (Ref. AMM TASK 71-13-00-010-040):
(a) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(b) FOR [1000EM2] (ENGINE-2)
447AL 448AR
(2) Put the ACCESS PLATFORM 1M(3 FT) in position.
D. Open the right thrust reverser doors (Ref. AMM TASK 78-36-00-010-040):
(1) FOR [1000EM1] (ENGINE-1)
452AR
(2) FOR [1000EM2] (ENGINE-2)
462AR
4. Procedure(1) FOR [1000EM1] (ENGINE-1)
452AR
(2) FOR [1000EM2] (ENGINE-2)
462AR
Subtask 77-22-10-210-051-A ** ON A/C NOT FOR ALL
A. Visual inspection of the T5 Temperature Sensor
(1) Remove the T5 sensor (Ref. AMM TASK 77-22-10-000-002).
(2) Inspect the T5 sensor as follows:
(3) Install the T5 sensor (Ref. AMM TASK 77-22-10-400-002).
5. Close-up(1) Remove the T5 sensor (Ref. AMM TASK 77-22-10-000-002).
(2) Inspect the T5 sensor as follows:
| INSPECT/CHECK | MAXIMUM SERVICEABLE LIMITS | REMARKS |
|---|---|---|
| 1.All areas for: | | |
| A.Cracks | Not serviceable | Replace T5 sensor. |
| B.Scratches on the tube | 0.01 in. (0.25 mm) max depth | Replace T5 sensor. |
| C.Distortion | Not serviceable | Replace T5 sensor. |
| 2.The electrical connector for: | | |
| A.Threads for damage | 30 percent damage in one lead-in thread or 20 percent damage on several threads | Chase threads if in limits or replace T5 sensor (Ref. AMM TASK 77-22-10-000-002) and (Ref. AMM TASK 77-22-10-400-002). |
| B.Pins for bend, seizure, breakage | Must engage freely in related female contacts | Straighten bent pins. Replace T5 sensor if pins are broken, eroded or seized . |
| C.Connector well for dirt | None permitted | Clean with BRUSH - BRISTLED and isopropyl alcohol (Material No.CP1041) or white spirit (Material No.CP2010) or acetone (Material No.CP1039) or ardrox 552 (Material No.CP2559) or turco ind 79 (Material No.CP2560) or mag-chem teksol (Material No.CP2566) or degreasol 99 R (Material No.CP2584) or mag-chem skysol (Material No.CP2656) . |
| | | |
Subtask 77-22-10-410-057-A ** ON A/C NOT FOR ALL
A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the right thrust reverser doors (Ref. AMM TASK 78-36-00-410-040):
(a) FOR [1000EM1] (ENGINE-1)
452AR
(b) FOR [1000EM2] (ENGINE-2)
462AR
(3) Remove the access platform(s).
Subtask 77-22-10-440-053-A ** ON A/C NOT FOR ALL Subtask 77-22-10-410-053-A ** ON A/C NOT FOR ALL (1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the right thrust reverser doors (Ref. AMM TASK 78-36-00-410-040):
(a) FOR [1000EM1] (ENGINE-1)
452AR
(b) FOR [1000EM2] (ENGINE-2)
462AR
(3) Remove the access platform(s).
T5 Sensor