SDR AALA201906042001

Service difficulty report · Power Unit · Boeing 7878

Difficulty date: June 1, 2019
Submitted: June 4, 2019
Operation: Air carrier
Aircraft: N814AA
Make and model: Boeing 7878
Aircraft serial: 40632
Aircraft time: 13,483 hours, 1,549 cycles
System (JASC): 2450 · AC Power Distribution System
Part: Power Unit
Part number: 7000276H01
Part serial: AAFM004992
Condition: Failed
Location: Zone 100
Stage of operation: CR
How discovered: O
Nature of condition: J
Precautionary procedure: A

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

What was found

AIRCRAFT WAS GROUNDED: PILOT DECLARED EMERGENCY ON ACCOUNT OF STATUS MESSAGES; IN CRUISE AT FL360 ELEC RPDU 42 CHANNEL, ELEC RPDU 92 CHANNEL, ELEC RPDU 32 CHANNEL, ELEC RPDU 34 CHANNEL, ELEC RPDU GATEWAY 82 CHANNEL. MAINTENANCE REMOVED & REPLACED RPDU 82 CARD M2471082M8 IAW B787-A-24-71-05-00A-720A-A. LOADED SOFTWARE IAW 24-71-10. OPS CHECK OK.

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