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 UPPER ATTACH ANGLE BS 380-400 RBL 8 WL 208.<[01] REMOVED DAMAGED INTERCOSTAL UPPER ATTACH ANGLE AT BS 380-400 RBL 8 WL 208 IAW SRM 51-40-02;[02] UPDATED MEASUREMENTS TABLE;[03] LOCATED AND DRILLED NEW ANGLE PO# 919196 IAW SRM 51-40-05-0G-01 AND DWG 143A5400 REV:A. REQ. OK TO INSTALL;[04] VERIFIED CORRECTION ACTION ITEM 3 AND MEASUREMENT TABLE; OK TO INSTALL GIVEN.;[05] INSTALLED NEW UPPER ATTACH ANGLE AT INTERCOSTAL BS 380-400 RBL 8 WL 208 IAW SRM 51-40-02-0G-0 AND DWG 143A5400 REV: A;[06] VERIFIED CORRECTION ACTION ITEM 5.;[07] VERIFIED ALL CORRECTION ACTION CARD COMPLETE.

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