10/29/19
Message Overview:
Fault Message:
L PICCOLO DUCT RUPTURE/WIRING
Fault Code:
3615416BMC
Associated CAS:
| Reporting LRU: | Bleed Management Controller (BMC) 1 |
| System Description: | 30-12-00 |
| Schematic Diagram: | None |
| Wiring Diagram: | None |
Fault Description:
The Bleed Management Controller (BMC) 1 has detected a Outboard WAIT >168°C while the Inboard WAIT was <145°C. This condition is only possible if there is a Piccolo Duct rupture.
Possible Causes:
- Bleed Management Controller (BMC) 1 (A69)
- Data Acquisition Unit 3 (DAU) (A30)
- Associated Wiring
Troubleshooting Tips:
Advisory Wire/Service Bulletin:
- AW700-36-0365 - Bleed Management Controller - Data Gathering to reduce No Fault Found (NFF) rate
Forum Articles/Infoservice/Newsletter:
- Forum Article 2011-VOL 8 issue 23 - Bleed Management Controller (BMC) Top 10 No Fault Found (NFF) vs. Reliability Improvement Modification Program (RIMP) implementation
Questionnaire for replacing the BMC. Follow instructions using this (Fill out form)
NOTE: Always verify you are working with the current document revision. Access the CIC website to ensure the latest document revision.
Quick Links:
| Removal of the Wing Anti-Icing Piccolo-Ducts | AMM 30-12-01-000-801 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Installation of the Wing Anti-Icing Piccolo-Ducts | AMM 30-12-01-400-801 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Removal of the Data Acquisition Units (DAU) | AMM 31-42-01-000-801 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Installation of the Data Acquisition Units (DAU) | AMM 31-42-01-400-801 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Removal of the Bleed Management Controller | AMM 36-11-33-000-801 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Installation of the Bleed Management Controller | AMM 36-11-33-400-801 [ Global Express ] [ G5000 ] [ Global XRS ] |
| Wire Repair - Maintenance Practices - ALL | SPM 20-12-10-02 [ Global Express ] [ G5000 ] [ Global XRS ] |
Troubleshooting Recommendations:
- Inspect Left Piccolo ducts for rupture or damage.
- If system checks are good, do close out.
- If fault remains, continue with next step.
- Swap BMC 2 with BMC 1.
- If system checks are good, replace BMC 1 and do close out.
- If fault remains, continue with next step.
- Replace DAU 3.
- Do close out.