SDR DALA2025020500897

Service difficulty report · Drain · Boeing 737832

Difficulty date: February 2, 2025
Submitted: February 5, 2025
Operation: Air carrier
Aircraft: N3734B
Make and model: Boeing 737832
Aircraft serial: 30776
Aircraft time: 70,174 hours, 32,931 cycles
System (JASC): 3830 · Waste Disposal System
Part: Drain
Condition: Leaking
Location: Zone 100
Stage of operation: IN
How discovered: O
Nature of condition: O
Precautionary procedure: K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

(LOG 0792837) DIRTY PLASTIC SMELL REPORTED BETWEEN ROWS 25-30. DURING CABIN/ RECIRC FILTER CHANGE, NOTICE GRAY WATER DRAIN DRIPPING COFFEE INTO FILTTER BOX ASSY. REMOVED RECIRC FAN + FLAPPER VALVE ASSY. INSTALLED NEW LEFT RECIRC FAN IAW B737 AMM 21-25. INSTALLED NEW DRAIN HOSE ABOVE LEFT RECIRC FILTER PER STANDARD PRACTICE. PERFORMED DUCT BURNOUT AND RAN ENG 1&2 PER B737 FIM 21-00-00-810-806. NEW LEFT RECIRC FILTER INSTALLED. NO ABNORMAL ODORS DETECTED, A/C OKAY FOR SERVICE.