Service difficulty report · Plate · Boeing 7377H4

Difficulty date
February 15, 2023
Submitted
March 17, 2023
Operation
Air carrier
Aircraft
N278WN
Make and model
Boeing 7377H4
Aircraft serial
36441
Aircraft time
52,434 hours, 31,459 cycles
Part
Plate
Condition
Corroded
Location
Zn 100 Fus Lower
Stage of operation
IN
How discovered
9
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 PLATE COMMON THRESHOLD PANEL AT BS 847.5 2023-127536<[01] REPLACED PLATE COMMON THRESHOLD PANEL AT BS 847.5 IAW B737-700 SRM 51-40-02;[02] CORRECTED STEP 1.<BR>REPLACED PLATE COMMON THRESHOLD PANEL AT BS 847.5 IAW B737-700 SRM 51-10-02 ITEM 9 AND SRM 51-40-02;[03] REPLACED PLATE COMMON THRESHOLD PANEL AT BS 847.5 IAW B737-700 SRM 51-10-02 ITEM 9 AND SRM 51-40-02

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