- Difficulty date
- May 4, 2026
- Submitted
- May 5, 2026
- Operation
- Air carrier
- Make and model
- Boeing 737823
- Aircraft serial
- 33250
- Aircraft time
- 27,807 hours, 12,098 cycles
- Part
- Sill Drain
- Condition
- Clogged
- Location
- Zone 200
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- B
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: FLIGHT ATTENDANT REPORT MILD EGG SMELL IN AFT GALLEY. ACCOMPLISHED SOF INITIAL T/S JOB CARD 08L00021001 AND JOB CARD 08L10038003 DOOR/DRAIN SOAK PROCEDURE FOUND AFT SILL DRAIN VALVE ASSEMBLY CLOGGED. REMOVED AND REPLACED AFT DOOR SILL DRAIN VALVE. PER AMM 38-31-06.