What was found
AMBER "IMBAL" WARNING FOR #1 FUEL TANK. GROUNDED - YES. PERFORMED FQIS BITE REF B737-900 FIM 28-41 TASK 801. NO FAULTS FOUND & GROUND TEST PASSED. REF FIM 31-62 TASK 801, PERFORMED CDS BITE TEST. FAULT CLEARED. BITE TEST PASSED.
- Difficulty date
- December 23, 2018
- Submitted
- December 27, 2018
- Operation
- Air carrier
- Aircraft
- N471AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41703
- Aircraft time
- 16,907 hours, 5,552 cycles
- System (JASC)
- 2840 · Fuel Indicating System
- Part
- Warning Message
- Condition
- False Activation
- Location
- Nr 1 Fuel Tank
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- N
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.