Service difficulty report · Support · Boeing 7378H4

Difficulty date
May 17, 2026
Submitted
June 23, 2026
Operation
Air carrier
Aircraft
N8646B
Make and model
Boeing 7378H4
Aircraft serial
36935
Aircraft time
39,772 hours, 19,344 cycles
Part
Support
Part number
149A811829
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

CORROSION ON ACB BODY TO AFT BULKHEAD SUPPORT BS 947, LBL 10, RBL 15, WL 179. REMOVED AND REPLACED BULKHEAD SUPPORT IAW SRM 51-40-02, AND DWG 149A8117, REV-.

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