SDR YENA2023042000414

Service difficulty report · Unknown · Airbus A321231

Difficulty date: April 15, 2023
Submitted: April 20, 2023
Operation: Air carrier
Aircraft: N989JT
Make and model: Airbus A321231
Aircraft serial: 07924
Aircraft time: 21,513 hours, 4,227 cycles
System (JASC): 3520 · Passenger Oxygen System
Part: Unknown
Condition: Unknown
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

DURING HEAVY MAINTENANCE: 36WR OXYGEN GENERATOR FAILED MANUAL DROP TEST; PERFORMED TSM 35-23-00-81-807A AND WIRING TERMINAL BLOCK 7372VT 141 WIRING NO 3523-1114 POSITION K WAS FOUND LOOSE IAW ESPM 20-52-11 AMM 35-73-06 PERFORMED CONNECTED CORRECTLY WIRING ON TERMINAL BLOCK 7312VT141 WIRING NO 3523-114 IAW AMM 35-23-06 AND ESPM 70-44-51 AND PERFORMED OPERATIONAL TEST CHECK OF MANUAL MASK RELEASE IAW AMM 35-23-00-710-001-A TEST IS OK.'

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