Service difficulty report · Stiffener · Boeing 7377H4

Difficulty date
April 20, 2024
Submitted
May 21, 2024
Operation
Air carrier
Aircraft
N244WN
Make and model
Boeing 7377H4
Aircraft serial
34864
Aircraft time
59,235 hours, 35,515 cycles
Part
Stiffener
Part number
UNKNOWN
Condition
Corroded
Location
Bs 948-967 Lbl45
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

AFT WET AREA; STIFFENER LOCATED AT LBL 45; WL 208 BETWEEN STA967 AND 947.5 HAS 3 EA DRILLS WITH CORROSION. (MARKED)<[01] REMOVED AND REPLACED AFT WET AREA STIFFENER P/N 140A9872-7; LOT#1561985-1 IAW SRM 51-40-02-0G-0 AND DWG#140A9870 REV-A;[02] VERIFIED CORRECTIVE ACTION STEP 1.

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