Service difficulty report · Coupling · Boeing 777300ER

Difficulty date
March 29, 2024
Submitted
April 2, 2024
Operation
Air carrier
Aircraft
N2243U
Make and model
Boeing 777300ER
Aircraft serial
63723
Aircraft time
28,862 hours, 3,175 cycles
Part
Coupling
Part number
B0E20130458
Condition
Leaking
Location
Lavatory
Stage of operation
UK
How discovered
9
Nature of condition
O
Precautionary procedure
A

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

What was found

ALL LAVS LEAKING BROWN SEWAGE FROM SINKS.BIOHAZ ARD. FOUND BLOCKAGE AT WASTE LINE ELBOW INFRONT OF FWD DRAIN MAST. INNER COATING OF ELBOW IS DAMAGED AND CAUSING BLOCKAGE. FOR REF SEE IPC 38-31-53-81A ITEM 220 ELBOW HOSE M&E 99-3831-3-0025 MFG P/N BOE2013-0458 REPLACED AS PER AMM SUBTASK 38-31-01-420-006 REV 100. CHECKED FREE WATER FLOW FROM ALL GALLEY DRAINS AND LAVATORY WATER BASINS. CHECK SATISFACTORY.

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