Service difficulty report · Wireless Unit · Boeing 7379

Difficulty date
July 25, 2025
Submitted
July 31, 2025
Operation
Air carrier
Aircraft
N17595
Make and model
Boeing 7379
Aircraft serial
67643
Aircraft time
1,093 hours, 350 cycles
Part
Wireless Unit
Part number
9039197
Part serial
NMAP2006950
Condition
Faulty
Location
Zone 200
Part time
1,080 hours, 347 cycles
Stage of operation
IN
How discovered
V
Nature of condition
B
Precautionary procedure
K

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

What was found

ELECTRICAL BURNING SMELL FLOM ROW 37 LOCATED ODOR TO AFT WAP OVER AFT GALLEY CEILING. PULLED & COLLARED CB AT P6-5 B-11. CREW WAP POWER. REF WDM 46-13-21-1. COMPLIED WITH MEL. REF AMM 46-13-06 FOR WAP 2 . VERIFIED NO OTHER SYSTEMS AFFECTED. COMPLIED WITH FIM 21-00 TASK 830. REMOVED CEILING PANELS ABOVE ROW 30 & 36 , LOWERED SEVERAL PSU PANELS IN AFT CABIN, NO EVIDENCE OF ANY ABNORMAL ODORS. EVIDENCE OF FAINT ELECTRICAL ODOR IN CEILING PANEL ABOVE AFT GALLEY, BUT NO EVIDENCE OF BURNING ODOR. R & R WAP IAW AMM TASK 46-13-06-400-801. OPS CHKD GOOD.

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