# SDR SWAA2023042823698

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 4, 2023
- Submitted: April 28, 2023
- Operation: Air carrier
- Aircraft: N412WN
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29818
- Aircraft time: 71,376 hours, 42,351 cycles
- System (JASC): [5340 · Fuselage Main, Attach Fittings](https://openairdocs.org/jasc/5340)
- Part: Attach Angle
- Condition: Cracked
- Location: Zn 200 Fus Top
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2023042823698

## Discrepancy

CRACKED ATTACH ANGLE AT MID CABIN BS663+29 RBL23 WL203.<[01] REMOVED CRACK DAMAGED ATTACH ANGLE AT MID CABIN BS 663+29 RBL 23 WL 203 IAW SRM 51-40-02-0G-0 NO SRM DAMAGE LIMITS GIVEN PART REPARABLE BY REPLACEMENT IAW SRM 51-10-02-0G-0 SEC 9.;[02] VERIFIED CORRECTIVE ACTION #1;[03] FABRICATED NEW ATTACH ANGLE FROM BAC1490-2782 7075T0 0.050 HT TO T73 ON P.O# 857530-SWA APPLIED CHEMICAL CONVERSION COAT AND PRIMED ALL I.A.W SMR 51-40-05-0G-0;BOEING DWG 273A9112;[04] VERIFIED CORRECTIVE ACTION STEP 3.;[05] OK TO INSTALL;[06] VERIFIED CORRECTIVE ACTION 5.;[07] INSTALLED NEW ATTACH ANGLE BS 663+29 RBL23 WL 203 I.A.W SRM 51-40-02-0G-0;BOEING DWG 273A9112;273A9110; 273A9111.COMPLETED TASK;[08] VERIFIED MEASUREMENT TABLE.;[09] VERIFIED CORRECTIVE ACTION 7.

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