Service difficulty report · Tail Cone · Boeing 7377H4

Difficulty date
August 4, 2024
Submitted
September 3, 2024
Operation
Air carrier
Aircraft
N485WN
Make and model
Boeing 7377H4
Aircraft serial
32473
Aircraft time
66,453 hours, 39,795 cycles
Part
Tail Cone
Condition
Delaminated
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

AFTER STA 1156; UNDER PANEL 318BR. SPOT OF DELAMINATION ON TAIL CONE SKIN.<[01] REPAIRED DELAMINATION DAMAGE ON TAIL CONE OUTER SKIN ON R/H SIDE STA 1156 UNDER PANEL 318BR WITH A PERMANENT REPAIR AS PER B737 SRM 51-70-04-2R-1; MATERIALS USED PO#2061896 AND PO#1690463. TOOL USED HOT BONDER ID 160354 DUE DATE 3-7-25 AND VACUUM ID 175719 DUE DATE 5-7-25.;[02] VERIFIED STEP 1

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