Service difficulty report · Rail · Boeing 7378H4

Difficulty date
September 5, 2024
Submitted
September 20, 2024
Operation
Air carrier
Aircraft
N8650F
Make and model
Boeing 7378H4
Aircraft serial
36909
Aircraft time
33,704 hours, 16,155 cycles
Part
Rail
Condition
Corroded
Location
Bulkhead
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

FWD CARGO AFT BULKHEAD LOWER RAIL ; STA 500I BETWEEN STR 25L AND STR 25R HAS AREAS OF CORROSION. INFO: LOWER RAIL ANGLE MPN IS 143A9485-37 FOR MEASUREMENT DATA<[01] BLENDED AREAS OF CORROSION ON FWD CARGO AFT BULKHEAD LOWER RAIL; STA 500I BETWEEN STR 25L AND STR 25R; BLENDS ARE OUT OF LIMITS ALL IAW SRM 53-30-08-1A-1.;[02] FWD CARGO AFT BULKHEAD REMOVED LOWER RAIL ; STA 500I BETWEEN STR 25L AND STR 25R PER SRM 51-40-02;[03] LOCATED AND DRILLED NEW LOWER RAIL IAW SRM 51-40-02 AND 51-10-02. OK TO INSTALL.;[04] C/W CORRECTIVE ACTION#3. OK TO INSTALL;[05] REMOVED AND REPLACED LOWER RAIL IAW SRM 51-40-02;[06] C/W CORRECTIVE ACTION #5.

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