Service difficulty report · Intercostal · Boeing 7378H4

Difficulty date
November 1, 2023
Submitted
December 8, 2023
Operation
Air carrier
Aircraft
N8309C
Make and model
Boeing 7378H4
Aircraft serial
36985
Aircraft time
38,023 hours, 17,361 cycles
Part
Intercostal
Part number
UNKNOWN
Condition
Cracked
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

CRACKED INTERCOSTAL AT FWD CABIN BS390 BL0 WL208.<[01] UPDATED MEASUREMENT TABLE;[02] CERTIFIED;[03] REMOVED AND REPLACED INTERCOSTAL AT BS380 TO BS 400 BL0; WL208 PER SRM 51-40-02-0G-0 AND DWG:143A5400.;[04] VERIFIED CORRECTIVE ACTION COMPLETE WITH MEASUREMENTS

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