Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
January 5, 2023
Submitted
February 7, 2023
Operation
Air carrier
Aircraft
N209WN
Make and model
Boeing 7377H4
Aircraft serial
32484
Aircraft time
59,684 hours, 35,490 cycles
Part
Intercostal
Part number
NOTREPORTED
Part serial
NOTREPORTED
Condition
Cracked
Location
Zn 800 Door
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 ENTRY DOOR SURROUND BS294+2 LBL57 WL216.<[01] APPLICABILITY: SRM 53-10-15-0I-1 FOR I.D AND SRM 53-10-15-1A-1 FOR ALLOWABLE DAMAGE ARE APPLICABLE;[02] MEASURED CRACK ON FWD ENTRY DOOR SURROUND INTERCOSTAL BS 294+2 LBL57 WL 216 L=0.250 FOUND TO BE OUT OF LIMITS IAW AMM 53-10-15-1A-1;[03] REMOVED FWD ENRTY DOOR SURROUND INTERCOSTAL BS294 LBL57 WL 216 IAW SRM 51-40-02-0G-0;[04] MEASURED CRACK ON FWD ENTRY DOOR SURROUND INTERCOSTAL BS 294+2 LBL57 WL 216 L=0.250 FOUND TO BE OUT OF LIMITS IAW SRM 53-10-15-1A-1;[05] LOCATED AND DRILLED NEW INTERCOSTAL P/N: 141A8181-51 IAW SRM 51-40-05-0G-0 AND DRAWING#141A8180.;[06] VERIFIED CORRECTIVE ACTION 1; 2; 3; 4 AND 5. VERIFIED MEASUREMENT TABLE;[07] OK TO INSTALL NEW INTERCOSTAL AT FWD ENRTY DOOR SURROUND BS294 LBL57 WL 216;[08] VERIFIED CORRECTIVE ACTION 7 OK TO INSTALL;[09] INSTALLED FWD ENRTY DOOR SURROUND INTERCOSTAL BS294 TO BS303 LBL57 WL 216 IAW SRM 51-40-02-0G-0 DWG 141A8180 REV:C;<BR>CARD IS COMPLETED;[10] VERIFIED CORRECTIVE ACTION 9.;[11] VERIFIED MEASUREMENT TABLE AND JOB COMPLETE

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