Service difficulty report · Waste Tank · Boeing 737824

Difficulty date
July 26, 2025
Submitted
July 28, 2025
Operation
Air carrier
Aircraft
N14235
Make and model
Boeing 737824
Aircraft serial
28947
Aircraft time
76,723 hours, 29,486 cycles
Part
Waste Tank
Part number
146A7401Y21
Condition
Corroded
Location
Zone 100
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

AFT CARGO WASTE TANK COMP CORROSION AT DUMP CHUTE BASE BETWEEN S STA 847-867 REMOVED AND REPLACED WASTE TANK DRAIN NEW PAN ASSY AT AFT CARGO WASTE TANK AT DUMP CHUTE BASE BETWEEN STA 847-867 IN REF SRM 51-40-02-0G-0 AND DWG 146A7401 ESFR TRANSACTION COMPLETED. FOUND EXFOLIATION OUT OF LIMITS AT WASTE TANK DRAIN PAN ASSY AT AFT CARGO DOOR BETWEEN STA 847 TO 867.