Detailed Visual Inspection of the Anti-Ice Valve Sense-Lines
TASK 21-52-00-200-003-A
Detailed Visual Inspection of the Anti-Ice Valve Sense-Lines
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Referenced Information
3. Job Set-up
Subtask 21-52-00-010-057-A ** ON A/C NOT FOR ALL
Subtask 21-52-00-210-050-A ** ON A/C NOT FOR ALL
Subtask 21-52-00-410-055-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.02 06:48:38 UTC
Detailed Visual Inspection of the Anti-Ice Valve Sense-Lines
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| TASK 21-61-41-000-002-A | Removal of the Anti-Ice Valve Sense-Lines Assembly |
| TASK 21-61-41-400-002-A | Installation of the Anti-Ice Valve Sense-Lines Assembly |
Subtask 21-52-00-010-057-A ** ON A/C NOT FOR ALL
A. Get Access
4. ProcedureNOTE: To do a complete visual inspection of the sense lines they must be removed from the aircraft (refer to para. 4A. (2)).
You can do a partial visual inspection of the sense lines when they are installed in the aircraft (refer to para. 4A.(1)).
(1) Remove the anti-ice valve sense-lines as necessary (Ref. AMM TASK 21-61-41-000-002). You can do a partial visual inspection of the sense lines when they are installed in the aircraft (refer to para. 4A.(1)).
Subtask 21-52-00-210-050-A ** ON A/C NOT FOR ALL
A. Visual Inspection of the Anti-Ice Valve Sense-Lines
(1) With the sense lines installed in the aircraft:
(a) Remove the connecting clamps.
(b) Do a check of the sense lines for:
(d) Install the connecting clamps.
(2) With the sense lines removed from the aircraft:
(a) Do a check of the nuts and ferrules at the ends of the sense lines for:
5. Close-up(1) With the sense lines installed in the aircraft:
(a) Remove the connecting clamps.
(b) Do a check of the sense lines for:
- Distortion
- Cracks
- Dents
- Kinks
- Other damage which can have an effect on the cross-sectional area of the sense lines
- Damage to the painted coating and/or corrosion protection
- Corrosion.
(d) Install the connecting clamps.
(2) With the sense lines removed from the aircraft:
(a) Do a check of the nuts and ferrules at the ends of the sense lines for:
- Damage to the ferrules or to the threads of the nuts.
- Other damage to the nuts or ferrules, e.g. rounded flats on the nuts, indentations or scratches on the ferrules etc.
- Distortion
- Cracks
- Dents
- Kinks
- Other damage which can have an effect on the cross-sectional area of the sense lines
- Damage to the painted coating and/or corrosion protection
- Corrosion.
Subtask 21-52-00-410-055-A ** ON A/C NOT FOR ALL
A. Close Access
(1) Install the anti-ice valve sense-lines as necessary (Ref. AMM TASK 21-61-41-400-002) .
(1) Install the anti-ice valve sense-lines as necessary (Ref. AMM TASK 21-61-41-400-002) .
Anti-Ice Valve Sense Lines Assembly - Component Location