What was found
AIRCRAFT WAS GROUNDED: FLIGHT RETURNED TO ORD ON ACCOUNT OF NUMBER 2 HYDRAULIC SYSTEM FAILURE. EMERGENCY WAS DECLARED. MAINTENANCE FOUND A LEAKING HYDRAULIC LINE. REMOVED AND REPLACED THE HYDRAULIC LINE IAW AMM.
- Difficulty date
- July 10, 2019
- Submitted
- July 12, 2019
- Operation
- Air carrier
- Aircraft
- N927NN
- Make and model
- Boeing 737823
- Aircraft serial
- 31171
- Aircraft time
- 19,717 hours, 8,062 cycles
- System (JASC)
- 2910 · Hydraulic System, Main
- Part
- Hydraulic Line
- Part number
- 272A4451158
- Condition
- Leaking
- Location
- Zone 100
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- K, J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.