Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
July 25, 2023
Submitted
August 18, 2023
Operation
Air carrier
Aircraft
N292WN
Make and model
Boeing 7377H4
Aircraft serial
32538
Aircraft time
51,861 hours, 31,244 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 BS 312-328 LBL 45 WL 208.<[01] REMOVED INTERCOSTAL BS 312-328 LBL 45 WL 208 IAW SRM 51-40-40-02-0G-0;[02] LOCATED AND DRILLED INTERCOSTAL P/N 141A5410-12 IAW SRM 51-30-02-0G-0;[03] LOCATED AND DRILLED INTERCOSTAL P/N 141A5410-12 IAW SRM 51-30-02-0G-0 AND DWG 141A5400 REV:-;[04] LOCATED AND DRILLED INTERCOSTAL P/N 141A5410-12 IAW SRM 51-40-02-0G-0 AND DWG 141A5400 REV:-;[05] LOCATED AND DRILLED INTERCOSTAL P/N 141A5410-12 IAW SRM 51-40-05 AND DWG 141A5400;[06] VERIFIED COMPLETION OF CORRECTIVE ACTIONS 5.;[07] INSTALLED INTERCOSTAL P/N 141A5410-12 BS 312-328 LBL 45 WL 208 IAW SRM 51-40-40-02-0G-0 DWG 141A5400 REV:-;[08] VERIFIED CORRECTIVE ACTION #7;[09] INSTALLED INTERCOSTAL P/N 141A5410U140; AT BS 312-328 LBL 45 WL 208 IAW SRM 51-40-40-02-0G-0 DWG 141A5400 REV: -;[10] RII VERIFIED CORRECTIVE ACTION ITEM 9.;[11] VERIFIED CORRECTIVE ACTION ITEM 9; AND MEASUREMENT FIELDS; CARD COMPLETE.

More about the Boeing 737-7H4