Service difficulty report · Drain Mast · Boeing 7377H4

Difficulty date
March 25, 2026
Submitted
April 30, 2026
Operation
Air carrier
Aircraft
N244WN
Make and model
Boeing 7377H4
Aircraft serial
34864
Aircraft time
64,911 hours, 39,081 cycles
Part
Drain Mast
Condition
Cracked
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

CRACKED ACCESS PANEL 194FL BODY FAIRING, APU SHROUD AND HYDRAULIC DRAIN. REPLACED APU SHROUD AND HYDRAULIC DRAIN MAST FUSELAGE EXTERIOR ON ACCESS PANEL 194FL IAW AMM 28-25-07-020-801 AND AMM 28-25-07-420-801.

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