Service difficulty report · Intercostal · Boeing 7378H4

Difficulty date
September 15, 2023
Submitted
October 26, 2023
Operation
Air carrier
Aircraft
N8308K
Make and model
Boeing 7378H4
Aircraft serial
36682
Aircraft time
37,857 hours, 17,208 cycles
Part
Intercostal
Part number
UNKNOWN
Condition
Corroded
Location
Zn 200 Fus Top
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 AROUND FASTENERS ON FLOOR SUPPORT AT AFT WET AREA BS947+4 LBL24 WL208.<[01] UPDATED STEP 1;[02] REMOVED AND REPLACED INTERCOSTAL AT BS 947.5 TO 967; LBL 24; WL 208 PER SRM 51-40-02-0G-0 AND BOEING DWG 147A5650.;[03] VERIFIED CORRECTIVE ACTION 2.<BR>VERIFIED MEASUREMENTS TABLE.

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