Standby Horizon Indicator Information not Accurate
1. Possible Causes_______________
- IND-STANDBY HORIZON (7FN)
2. Job Set-up Information______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM AMM 34-22-24-000-001 34-22-24-400-001 Removal of the Standby Horizon Indicator (7FN)Installation of the Standby Horizon Indicator (7FN)
3. Fault Confirmation__________________
A. Test
(1) Not applicable, the fault is evident.
4. Fault Isolation_______________
A. If the attitude indication of the standby horizon indicator is not correct: - replace the IND-STANDBY HORIZON (7FN) (Ref. AMM TASK 34-22-24-000-001) and (Ref. AMM TASK 34-22-24-400-001).
R R R R R R NOTE : After long low-rate turns (less than 10 degree bank) the standby____ horizon indicator does not give accurate bank indications immediately. The specification of the standby horizon indicator accepts this type of operation. Thus, it is not necessary to replace the indicator.
R **ON A/C 106-149, 213-213, 221-299, 301-399, 401-499,
TASK 34-22-00-810-804 Loss of the Attitude Data on the ISIS Indicator
1. Possible Causes
_______________
- IND-ISIS (22FN)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 34-22-25-000-001 Removal of the ISIS Indicator (22FN) AMM 34-22-25-400-001 Installation of the ISIS Indicator (22FN)
3. Fault Confirmation
__________________
A. Test
Not applicable, you cannot confirm this fault on the ground.
4. Fault Isolation
_______________
A. If the fault symptom is identified by the maintenance message on the face of the ISIS indicator: ISIS(22FN-10FC) ATTITUDE FUNCTION and by the red flag on the face of the ISIS indicator: ATT
- replace the IND-ISIS (22FN) (Ref. AMM TASK 34-22-25-000-001) (Ref. AMM TASK 34-22-25-400-001).
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 106-149, 213-213, 221-299, 301-399, ∞∞34-22-00∞∞∞∞∞∞∞∞∞∞Page 205
401-499, Aug 01/05 CES
Loss of the Altitude Data on the ISIS Indicator
1. Possible Causes
_______________
- IND-ISIS (22FN)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 34-10-00-170-003 Draining and Flushing of Standby Pneumatic Circuits AMM 34-11-16-000-001 Removal of the Static Probe (7DA1,7DA2,7DA3,8DA1,8DA2,8DA3) AMM 34-11-16-400-002 Installation of the Static Probe
(7DA1,7DA2,7DA3,8DA1,8DA2,8DA3)
AMM 34-22-25-000-001 Removal of the ISIS Indicator (22FN)
AMM 34-22-25-400-001 Installation of the ISIS Indicator (22FN)
3. Fault Confirmation
__________________
A. Test
Not applicable, you cannot confirm this fault on the ground.
4. Fault Isolation
_______________
A. If the fault symptom is identified by the maintenance message on the face of the ISIS indicator: ISIS(22FN-10FC) ALTITUDE FUNCTION and by the red flag on the face of the ISIS indicator: ALT
- do a visual check of the standby static probes.
(1) If one standby static probe is damaged:
- replace the defective standby static probe (Ref. AMM TASK 34-11-16-000-001) (Ref. AMM TASK 34-11-16-400-002).
(2) If the standby static probes are not damaged:
- drain and flush the standby static pressure line (Ref. AMM TASK 34-10-00-170-003).
(a) After the subsequent flight, if the fault continues:
- replace the IND-ISIS (22FN) (Ref. AMM TASK 34-22-25-000-001) (Ref. AMM TASK 34-22-25-400-001).
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 106-149, 213-213, 221-299, 301-399, ∞∞34-22-00∞∞∞∞∞∞∞∞∞∞Page 206
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本文鏈接地址：A320 Trouble Shooting Manual 排故手冊(cè) 導(dǎo)航 NAVIGATION 2(94)
