SDR YENA2021082700543

Service difficulty report · O-Ring · Airbus A320232

Difficulty date: August 24, 2021
Submitted: August 27, 2021
Operation: Air carrier
Aircraft: N531JL
Make and model: Airbus A320232
Aircraft serial: 1650
Aircraft time: 66,965 hours, 25,471 cycles
System (JASC): 4900 · Airborne Auxiliary Power Unit (APU) System
Part: O-Ring
Condition: Leaking
Location: Apu Temp Sensor
Stage of operation: DE
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

FLT # 104, LAS-RIC. DURING DESCENT ENTIRE AIRCRAFT REEKED OF THE DIRTY SOCK ODOR. CABIN ODOR REPORT FILLED OUT. ( APU BLEED AIR SUPPLY SYSTEM ) ; T/S STSTEM PER 05-50-00-810-831, FOUND THE SOURCE OF THE OIL LEAK AS A LOOSE HIGH OIL TEMP SENSOR. R/R THE HIGH OIL TEMP SENSOR 'O' RING, REF 49-94-15-400-001, DECONTAMINATED THE APU AREA. PERFORMED SYSTEM OPS AND LEAK CHECK FOUND NORMAL. THIS CLEARS MDDR 447607, MX-04 UPDATED, PLACARD REMOVED

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