SDR IPXA2025063094419

Service difficulty report · Fire Warning · Boeing 7478F

Difficulty date: June 30, 2025
Submitted: July 1, 2025
Operation: Air carrier
Aircraft: N613UP
Make and model: Boeing 7478F
Aircraft serial: 64259
Aircraft time: 25,654 hours, 3,786 cycles
System (JASC): 2612 · Fire Detection
Part: Fire Warning
Condition: False Indication
Location: Zone 100
Stage of operation: TX
How discovered: O
Nature of condition: N
Precautionary procedure: O

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

What was found

FIRE WHEEL WELL WARNING ON GROUND FIRE TEST ACCOMPLISHED IAW AMM 26-10-00-501 REV.47, TEST PASSED, BUT WHEEL WELL FIRE EICAS COMES BACK AFTER TEST, EICAS BRAKE TEMP INDICATION IS AVAIL, WHEEL WEEL FIRE DETECTION SYSTEM DEF IAW MEL 26-17-1A REV.14, DMP ACCOMPLISHED, DMI OPEN, PLACARD INSTALLED

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