Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
May 2, 2023
Submitted
May 31, 2023
Operation
Air carrier
Aircraft
N285WN
Make and model
Boeing 7377H4
Aircraft serial
32536
Aircraft time
51,630 hours, 31,054 cycles
Part
Intercostal
Part number
UNKNOWN
Condition
Cracked
Location
Zn 100 Fus Lower
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 BS 312-328 RBL 31 WL 208.<[01] REMOVED INTERCOSTAL FROM BS 312-328 RBL 31 WL 208 PER SRM 51-40-02-0G.;[02] RECEIVED FROM TOOL ROOM NEW INTERCOSTAL P/N 141A5410U12 LOT: 1503897-1. LOCATED AND DRILL NEW INTERCOSTAL PER SRM 51-40-05-0G-0 AND DWG 141A5400.;[03] CERTIFIED ACTION 1 AND 2;[04] REQUEST OK TO INSTALL NEW INTERCOSTAL.;[05] OK TO INSTALL NEW INTERCOSTAL.;[06] INSTALLED NEW INTERCOSTAL AT BS 312 TO 328 RBL 31 WL 208 PER SRM 51-40-02-0G-0 AND DWG 141A5400.;[07] CERTIFIED ACTION 6;[08] VERIFIED CORRECTIVE ACTION 6.;[09] VERIFIED MEASUREMENTS TABLE.

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