Service difficulty report · Bracket · Boeing 74747UF

Difficulty date
April 6, 2026
Submitted
April 7, 2026
Operation
Air carrier
Aircraft
N415MC
Make and model
Boeing 74747UF
Aircraft serial
32837
Aircraft time
93,920 hours, 15,729 cycles
Part
Bracket
Part number
69B412505
Condition
Corroded
Location
Zone 100
Stage of operation
IN
How discovered
V
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

FOUND NR 1 PACK BRACKET CORROSION AT #1 COMPRESSOR BYPASS VALVE OUTBD SIDE AT STA 1028.86 LBL 57.7. REMOVED DAMAGED PARTS IAW SRM 51-40-02-0G-0 REV 106. 2. INSTALL NEW PARTS IAW SRM 51-40-02-0G-0 106 AND BOEING DWG 65B10538 SHEET 14 REV B. 3.

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