What was found
LEFT FUEL QTY INDICATION BLANK FOR 10 SECONDS DURING PREFLIGHT. GROUNDED - YES. REPLACED TANK UNIT 2 PER B737-900 AMM 28-41-21/401. REPLACED THE COMPENSATOR PROBE AND TANK UNIT #1 PER AMM 28-41-21/401.
- Difficulty date
- December 30, 2022
- Submitted
- December 30, 2022
- Operation
- Air carrier
- Aircraft
- N423AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 35206
- Aircraft time
- 34,924 hours, 11,089 cycles
- System (JASC)
- 2840 · Fuel Indicating System
- Part
- Compensator
- Part number
- 2020202
- Part serial
- 13720
- Condition
- Out Of Limits
- Location
- Left Wing Tank
- Part time
- 35,141 hours, 11,162 cycles
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.