What was found
ORD - CREW REPORTED ENGINE OIL QUANTITY DROPPED AFTER TAKEOFF. EMERGENCY DECLARED FLIGHT RETURNED ORD LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED DISPLAY ELECTRONIC UNIT. SYSTEM GROUND CHECK NORMAL OPERATION.
- Difficulty date
- December 25, 2010
- Submitted
- December 29, 2010
- Operation
- Air carrier
- Aircraft
- N921AN
- Make and model
- Boeing 737823
- Aircraft serial
- 29522
- Aircraft time
- 33,246 hours, 13,529 cycles
- System (JASC)
- 7932 · Engine Oil Quantity
- Part
- Deu
- Condition
- Inoperative
- Location
- Oil System
- Stage of operation
- CL
- 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.