SDR AALA2020072089065

Service difficulty report · Warning Message · Airbus A321231

Difficulty date: July 17, 2020
Submitted: July 20, 2020
Operation: Air carrier
Aircraft: N573UW
Make and model: Airbus A321231
Aircraft serial: 5939
Aircraft time: 21,787 hours, 8,450 cycles
System (JASC): 2621 · Fire Bottle, Fixed
Part: Warning Message
Condition: False Indication
Location: Apu Extinguisher
Stage of operation: CR
How discovered: O
Nature of condition: N
Precautionary procedure: O

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

What was found

AIRCRAFT NOT GROUNDED, DISCHARGE LIGHT ILLUMINATED ON APU PANEL IN FLIGHT. LIGHT EXTINGUISHED ABOUT 10 MINUTES LATER. TROUBLESHOT IAW TSM TASK 26-22-00-810-806-A, VERIFIED RED DISK IS PRESENT AND APU COMPARTMENT IS CLEAN, NO DISCHARGE AGENT. ACCOMPLISHED PRESSURE CHECK IAW AMM 26-22-41, AND BOTTLE WEIGHT CHECK, ALL CHECKED OKAY, NO FAULTS DETECTED IAW TSM TASK 26-22-00-810-806-A.

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