Service difficulty report · Support Fitting · Boeing 7377H4

Difficulty date
July 11, 2025
Submitted
August 14, 2025
Operation
Air carrier
Aircraft
N902WN
Make and model
Boeing 7377H4
Aircraft serial
36615
Aircraft time
57,234 hours, 33,409 cycles
Part
Support Fitting
Condition
Corroded
Location
Zone 200
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

CORROSION ON AFT LAV MOUNT SUPPORT FITTING ON STRUCTURE AT BS 1021, LBL 1, WL 208. REMOVED AFT LAV MOUNT SUPPORT FITTING ON STRUCTURE AT BS 1021 LBL 1 WL 208 IAW SRM 51-40-02-0G-0.;[02] REMOVED AND REPLACED AFT LAV MOUNT SUPPORT FITTING AT BS 1021 LBL 1 WL 208 PER I.A.W SRM 51-10-02-0G-0G--0 PAR 9.C;DUE TO NO LIMITS SRM 51-40-02-0G-0;BOEING DWG 147A5600 REV:B;[03] ALL STEPS COMPLETE.

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