Service difficulty report · Stiffener · Boeing 7379GPER

Difficulty date
February 1, 2024
Submitted
February 12, 2024
Operation
Air carrier
Aircraft
N940DU
Make and model
Boeing 7379GPER
Aircraft serial
38723
Aircraft time
23,475 hours, 16,619 cycles
Part
Stiffener
Part number
UNKNOWN
Condition
Corroded
Location
Bs 1040 Bl0-5l
Stage of operation
IN
How discovered
O
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

(LOG 0190047) CORROSION ON FLOOR STIFFENER AT STA 1040 BL0-LBL5 WL208. REMOVED AND REPLACED FLOOR STIFFENER AT STA 1040 LH BL 0-LBL 30 WL 208 IAW B737-900 SRM 51-40-02-0G PAR. 4B AND DWG. 147A5116.

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