04/14/21
Message Overview:
Message Name:
FUNCTIONAL STATUS ST
(Service Message)
Message Code:
B3-303552
Associated CAS:
| Reporting LRU: | L ENG TLD |
| System Description: | 76-11-00 |
| Schematic Diagram: | None |
| Wiring Diagram: | None |
Message Description:
Left engine functional status short time.
[MCID 1704]
Functional Status ST.
Possible Causes:
- The Engine Condition and Fault Reporting (ECFR) logic has detected a short-time TLD (TLD) status. Refer to the aircraft MMEL
Troubleshooting Tips:
Advisory Wire/Service Bulletin: None
Forum Articles/Infoservice/Newsletter: None
Quick Links:
| Wiring - Maintenance Practices - ALL | SPM 20-12-00-02 |
| Wire Repair - Maintenance Practices - ALL | SPM 20-12-10-02 |
| Electrical Connectors - Maintenance Practice - ALL | SPM 20-20-00-02 |
Troubleshooting Recommendations:
- MCID 1704 fault present, troubleshoot using the following steps for aircraft and engine fault isolation with reference to the Light Engine Maintenance Manual Subtask 72-00-00-810-360-A01.