Service difficulty report · Waste Tank · Boeing 737800*

Difficulty date
March 19, 2008
Submitted
November 2, 2009
Operation
Air carrier
Aircraft
N18617
Make and model
Boeing 737800*
Aircraft serial
29106
Part
Waste Tank
Part number
01930007
Condition
Damaged
Location
Zone 900
Stage of operation
IN
How discovered
V
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

INSPECTION FOUND ACFT B-18617 WASTE TANK OUTLET FLANGE DAMAGED. WASTE TANK OUTLET FLANGE BROKEN-OFF, REPLACE NEW WASTE TANK. MANUFACTURER AND VENDOR EDO WILL CHANGE WASTE TANK DRAIN FITTING MATERIAL, FROM NYLON TO STAINLESS STELL THAT WOULD GREATLY IMPROVE THE RESISTANCE TO POTENTIAL DAMAGE AT THE FLANGE. MANUFACTURER WILL RELEASE A AMM TR ON 17-APR-2008 TO INCLUDE THE APPROPRIATE GAP DIMENSIONS AND COMPONENT ORIENTATION INFORMATION FOR THE WASTE TANK REMOVAL/INSTALLATION. IN ADDITIONAL, IMPROVEMENTS TO THE INSTRUCTIONS FOR REMOVING THE BALL VALVE WILL ALSO BE ADDED TO THE AMM.

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