What was found
OIL DRIPPING FROM NR 1 ENGINE. ACFT GROUNDED. LEAK CHECKED NR 1 ENGINE AND FOUND LOOSE B-NUT AT 6 O'CLOCK. SECURED THE B-NUT AND ACCOMPLISHED THE LEAK CHECK IAW AMM 71-71-00. NO LEAKS NOTED.
- Difficulty date
- July 17, 2016
- Submitted
- July 19, 2016
- Operation
- Air carrier
- Aircraft
- N407AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41731
- Aircraft time
- 14,562 hours, 4,645 cycles
- Engine
- Cfmint CFM567B27E
- System (JASC)
- 7261 · Turbine Engine Oil System
- Part
- B-Nut
- Condition
- Leaking
- Location
- Nr 1 Engine Oil
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- K
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.