What was found
DURING CHECK, FOUND CDU APU OIL QUANTITY SAYS ADD OIL, APU SIGHT GLASS WAS FULL. ACFT GROUNDED. REMOVED AND REPLACED APU OIL LEVEL SENSOR, IAW AMM 49-94-11. OPS CHECKED GOOD. LEAK CHECKED GOOD.
- Difficulty date
- July 12, 2016
- Submitted
- July 14, 2016
- Operation
- Air carrier
- Aircraft
- N483AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36350
- Aircraft time
- 3,344 hours, 1,131 cycles
- System (JASC)
- 4990 · APU Oil System
- Part
- Sensor
- Part number
- 38762983
- Part serial
- 1516222107005
- Condition
- Failed
- Location
- Apu Oil Level
- Part time
- 830 hours, 1,936 cycles
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.