SDR AALA202506277486

Service difficulty report · Drain · Boeing 7378

Difficulty date: June 26, 2025
Submitted: June 27, 2025
Operation: Air carrier
Aircraft: N303RG
Make and model: Boeing 7378
Aircraft serial: 44448
Aircraft time: 17,026 hours, 6,370 cycles
System (JASC): 3830 · Waste Disposal System
Part: Drain
Condition: Leaking
Location: Zone 900
Stage of operation: CR
How discovered: O
Nature of condition: K, 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: MUSTY TYPE SMELL VERY STRONGLY FELT AT FLIGHT DECK AND GALLEY, ONE AREA. POSSIBLY COME FROM THE LAVATORY. FOUND EVIDENCE OF AN OLD LAVATORY LEAK UNDER FORWARD LAVATORY FROM BS 294.5 TO BS 312. REMOVED AND CLEANED DRAIN TRAY IN E+E COMPARTMENT, CLEANED LAVATORY FLOOR BEHIND TOILET, NO FURTHER LEAKS FOUND

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