Service difficulty report · Circuit Card · Boeing 76734AF
FAA SDR system
- Difficulty date
- August 27, 2007
- Submitted
- August 29, 2007
- Operation
- Air carrier
- Make and model
- Boeing 76734AF
- Aircraft serial
- 27753
- Part
- Circuit Card
- Condition
- Faulty
- Location
- Bleed Air Sys
- Stage of operation
- UK
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:ETOP L DUCT LEAK LIGHT ILLUMINATED. EICAS MESSAGE: L/BLEED DUCT LEAK DISPLAYED. LIGHT EXITING APPROXIMATELY 5 MINUTES AFTER MESSAGE BLEED AIR SUPPLY & ISOLATION VALVES CLOSED. ACCOMPLISHED FIM PROC 26-18-00, FIGURE 104, NO FAULTS FOUND. MEASURED DUCT LEAK DETECTOR CENTER CONDUCTOR TO GROUND RESISTANCE = 3.1 MEGOHM. REPLACED DUCT LEAK CARD M691 IAW 26-10-01-4. RAN ENGINE, NO DUCT LEAK INDICATION OCCURRED.