What was found
MECH- AFT LAV HIGH VIBRATION AND HUMMING ON TAKE OFF. DECLARED EMERGENCY RETURN TO DFW. NOISE FOUND TO BE COMING FROM AUTO DRAIN VALVE. RAR AUTO DRAIN VALVE IAW AMM 38-31-04
- Difficulty date
- September 28, 2024
- Submitted
- September 30, 2024
- Operation
- Air carrier
- Aircraft
- N291NN
- Make and model
- Emb ERJ170200LR
- Aircraft serial
- 17000842
- Aircraft time
- 11,812 hours, 7,919 cycles
- System (JASC)
- 3810 · Potable Water System
- Part
- Drain Valve
- Part number
- FRH340021H
- Condition
- Failed
- Location
- Aft Lav
- Stage of operation
- TO
- How discovered
- V
- Nature of condition
- E
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.