Service difficulty report · Support Angle · Boeing 7377H4

Difficulty date
September 12, 2025
Submitted
October 1, 2025
Operation
Air carrier
Aircraft
N909WN
Make and model
Boeing 7377H4
Aircraft serial
32458
Aircraft time
56,758 hours, 34,420 cycles
Part
Support Angle
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

WHILE INWORK INSTALLING RH VAPOR BARRIER FOUND SUPPORTING ANGLE IS CRACKED. REMOVED AND REPLACED RH VAPOR BARRIER SUPPORT ANGLE P/N 149A7218Y8 LOT# 1620188-1 BS652 TO BS663 RBL25 AND CLIP P/N149A7627U6 BS663 RBL25 IAW SRM 51-40-02 AND DWG 149A7210 REV -. CAP SEAL WILL BE ACCOMPLISHED ON TASK CARD TTG8Q015216Y.

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