SDR CALA2018011900226

Service difficulty report · Control Unit · Boeing 7879

Difficulty date: January 19, 2018
Submitted: January 20, 2018
Operation: Air carrier
Aircraft: N17963
Make and model: Boeing 7879
Aircraft serial: 37812
Aircraft time: 9,561 hours, 853 cycles
System (JASC): 3350 · Emergency Lighting
Part: Control Unit
Condition: Abnormal
Location: E/E Bay
Stage of operation: IN
How discovered: C
Nature of condition: L
Precautionary procedure: K

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

What was found

NOTED ON AHM AND ON PLF EMERGENCY LIGHTING WELS UNITS HAS 3 INCOMBATIBLE DATABASE ERRORS. MESSAGES 33-13125, 33-13121 AND 33-13105 IAW FIM DMC-B787-A-33-51-07-04A-750A-A. CDB RELOADED TO ALL WELS UNITS. LOAD SUCESSFUL, SYS CONFIG PAGE NOW SHOWS ALL SOFTWARE NORMAL, EMERGENCY LIGHT OPERATIONAL AND SYSTEM TEST PASSES. OK TO CONTINUE.

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