SDR F3LA2023011300012

Service difficulty report · Hmu · Airbus A320214

Difficulty date: December 27, 2022
Submitted: January 13, 2023
Operation: Air carrier
Aircraft: N228FR
Make and model: Airbus A320214
Aircraft serial: 05526
Aircraft time: 32,402 hours, 12,849 cycles
Engine: Cfmint CFM565B43
System (JASC): 7320 · Fuel Controlling System
Part: Hmu
Part number: 8061536
Part serial: WYGA1807
Condition: Failed
Location: Nr 1 Engine
Part time: 204 hours, 93 cycles
Stage of operation: TX
How discovered: O
Nature of condition: J
Precautionary procedure: D

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

What was found

BTB DUE TO ENGINE 1 SHUTTING DOWN DURING TAXI. PERFORMED TROUBLESHOOTING PER TSM 72-00-00-810-806-A UP TO STEP 4A, PERFORMED FADEC 1A AND 1B TEST, A PASSED AND B FAILED. PERFORMED TROUBLESHOOTING PER FADEC FAULT CODE TSM 73-21-00-810-865-A UP TO STEP 3C.1, REMOVED AND REPLACED HMU PER AMM 73-21-100-400-002, OPS CHECK TEST GOOD AT THIS TIME PER AMM 73-29-00-210-040

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