12/11/24
Message Overview:
| DDG Reference: | 22-30-01 |
| Pilot Action (QRH): | ADVISORY 1-2 |
| System Description: | 22-30-00 - Autothrottle |
| Schematic Diagram: | [ Global Express ] [ G5000 ] [ Global XRS ] 76-30-00 Engine Speed Control [ Global Express ] [ G5000 ] [ Global XRS ] 24-51-00 AC Load Distribution AC Power Center (ACPC) System [ Global Express ] [ G5000 ] [ Global XRS ] 24-52-00 AC Load Distribution Cockpit Circuit Breaker Panel (CCBP) System |
| Wiring Diagram: | [ Global Express ] [ G5000 ] [ Global XRS ] 76-10-03 Auto Throttle System [ Global Express ] [ G5000 ] [ Global XRS ] 24-51-00 ACPC Distribution Left [ Global Express ] [ G5000 ] [ Global XRS ] 24-51-00 ACPC Distribution Right [ Global Express ] [ G5000 ] [ Global XRS ] 24-52-01 Cockpit Circuit Breaker Panel (CCBP) |
Message Description:
A/T 1 has stopped communicating or is invalid (as determined by FWC), or the A/T reports a hardware or servo failure.
Possible Causes:
- Throttle Quadrant (AP41)
- Integrated Avionics Computers (IAC) 1 (A11)
- Associated Wiring
Troubleshooting Tips:
Advisory Wire/Service Bulletin: None
Full Throttle Blog/Forum Articles/Infoservice/Newsletter:
- OCTOBER 09TH, 2007 / VOLUME 4 / ISSUE 33 - Customer Forum & Newsletter - Troubleshooting CAIMS Automatic Flight Control System Faults - ATA 22
Flight Operation Notifications Manual (FONM): None:
NOTES:
- Verify C/B status on both pilot and copilot EMS CDUs. This CAS Message will post if either of the following circuit breaker or Smart Contactor status is OUT or Tripped.
| LOCATION | CB NO. | NAME |
|---|---|---|
| CCBP (A54) | CB-H6 | A/T CTLR |
| ACPC (A35) | SC-K15 | AC 1 FEED |
Quick Links:
| Access to Active Faults | AMM 45-45-00-970-802 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Access to Stored Faults | AMM 45-45-00-970-803 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Access to System Diagnostics | AMM 45-45-00-970-804 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Integrated Maintenance Test (IMT) Fault Code Look-up | AMM 45-45-00-970-826 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Wire Repair | SPM 20-12-10 [ Global Express ] [ G5000 ] [ Global XRS ] |
Troubleshooting Recommendations:
- Check status of AC 1 FEED on EMS CDU, the AC 1 Feed being out or tripped can drive multiple CAS to post.
BUS > AC 1 > AC 1 FEED.- If AC 1 FEED CB is IN go to step 3.
- If AC 1 FEED CB is OUT, set to IN.
AC 1 FEED CB SYSTEM PHASE CAS CB-G6 ESS TRU 1 3 AC BUS 1 FAIL (Caution) CB-G3 EVS FAIRING HEAT 3 EVS HEAT FAIL (Caution) CB-G9 SLAT/FLAP PWR 1 3 SLAT-FLAP HALFSPD (Advisory) CB-H5 EVS WINDOW HEAT 1 EVS HEAT FAIL (Caution) CB-H6 A/T CTLR 1 A/T 1 FAIL (Advisory)
A/T 2 FAIL (Advisory)CB-H7 PITOT 1 HT A 1 PITOT 1 HT FAIL (Caution) CB-H8 R ICE DETECTOR 1 ICE DETECTOR FAULT (Advisory) CB-H9 R AOA HEAT A 1 R AOA HEAT FAIL (Caution) CB-H10 L WSHLD HEAT 1 1 L WSHLD HEAT FAIL (Caution) CB-H11 L WSHLD HEAT 2 1 L WSHLD HEAT FAIL (Caution) CB-G12 TRU BAY FAN 3 ELEC SYS FAULT (Advisory) CB-B6 STAB TRIM CH1 3 STAB CH 1 FAIL (Advisory) - Did the CAIMS Fault & CAS messages clear after setting AC 1 FEED CB to IN.
- If YES, do close out.
- If NO, go to next step.
- Using the PMAT, access the Active Faults/Stored Faults.
- Select related CAIMS message below: