Service difficulty report · Sidewall Support · Boeing 7377H4

Difficulty date
August 14, 2024
Submitted
September 12, 2024
Operation
Air carrier
Aircraft
N931WN
Make and model
Boeing 7377H4
Aircraft serial
36637
Aircraft time
50,530 hours, 30,789 cycles
Part
Sidewall Support
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 FCB L/H SIDEWALL SUPPORT BS 500A+14; BS 500B+2; BS 500B+6; BS 500B+18; BS 500C+1.5; BS 500C+14; LBL 24.75 WL 208 (MARKED)<[01] UPON FURTHER INVESTIGATION THE CORRECT WL IS 156.;[02] VERIFIED CORRECTIVE ACTION ENTRY 1.;[03] VERIFIED;[04] VERIFIED;[05] REMOVED AND REPLACED FLOOR TO SIDEWALL SUPPORT AT FCB BETWEEN BS 396 TO BS 500D ; LBL 24; WL 156 PER SRM 51-40-02 AND DWG: 143A7500 REV:-;[06] VERIFIED CORRECTIVE ACTION #5

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