SDR UIEA2026031300089

Service difficulty report · Battery Pack · Boeing 74787UF

Difficulty date: March 14, 2026
Submitted: March 16, 2026
Operation: Air carrier
Aircraft: N854GT
Make and model: Boeing 74787UF
Aircraft serial: 37566
Aircraft time: 52,711 hours, 8,672 cycles
System (JASC): 3350 · Emergency Lighting
Part: Battery Pack
Part number: BPS73
Part serial: 57096
Condition: Inoperative
Location: Zone 200
Stage of operation: IN
How discovered: O
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

MDDR 248876 - MAIN DECK CARGO COMPT LIGHT INOP ABOVE L1 DOOR INOP ( MAIN DECK CARGO HANDLING LIGHTS (747-8F) )(<P>LH EMER LIGHT POWER PACK CHARGER REPLACED, EMER LIGHT ABOVE L1 M/D CEILING LAMPS REPLACED, INSTALLATION TEST CARRIED OUT, RESULT FOUND NORMAL AS PER AMM 33-51-04 AND AMM 31-51-07 REV. 50 15MAR2026.</P>)

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