Service difficulty report · Oil Cooler · Airbus BD5001A10

Difficulty date
October 3, 2025
Submitted
October 6, 2025
Operation
Air carrier
Aircraft
N143DU
Make and model
Airbus BD5001A10
Aircraft serial
50063
Aircraft time
10,601 hours, 4,806 cycles
Part
Oil Cooler
Condition
Leaking
Location
Apu
Stage of operation
TX
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

FA SMELLED CHEMICAL SMELL IN AFT GALLEY ON APU AIR. PERFORMED W/C #0550-2001 TO ISOLATE SMELL OF SMOKE & FUMES. WHILE USING SNIFFER TOOL, NO PRESENCE OF ODOR FOUND. WHILE INSPECTING APU, FOUND OIL WETTING ON APU OIL COOLER. RECOMMEND REPLACING OIL COOLER. R/R RECIRC FILTERS PER A220 AMP 21-22. PERFORMED APU FULL RUN AND LEAK CHECK. NO LEAKS FOUND AND NO SMELL IN CABIN. C/W WORK CARD 0550-2003, THIS CLEARS MEL 49-00- 03A. PLACARD AND STICKER REMOVED. (LP# 7597479)

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