# SDR SWAA2021080295714

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 16, 2021
- Submitted: August 2, 2021
- Operation: Air carrier
- Aircraft: [N962WN](https://openairdocs.org/aircraft/N962WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36963
- Aircraft time: 33,006 hours, 20,057 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Gusset
- Condition: Cracked
- Location: Bs 500d S19r
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2021080295714

## Discrepancy

GUSSET FOUND CRACKED AT BS500D STR-19R RBL64 ; / [01] UPON FURTHER INVESTIGATION FOUND GUSSET IS AT STR21R IAW DWG 143A7902 SH 259 REV-; [02] ALL REF ARE IN MAINTENIX/TASK INFO/ATTACHMENTS; [03] REMOVED FCB GUSSET BS 500D; STR 19RH PER SRM 51-40-02.; [04] RECEIVED LOCATED AND DRILLED NEW GUSSET P/N 143A9481-5 AT B/S 500D STR 19R RBL 64 LOT#1461912-2 IAW SRM 51-40-05 AND DWG 143A7902 REV:; [05] OK TO INSTALL; [06] EVALUATED GUSSET WITH CRACK P/N 143A9481-5 AT B/S 500D STR 19R RBL 64 ALLOWABLE DAMAGE LIMITS NOT FOUND AT SRM MUST BE REPLACED IAW SRM 51-10-02 PARAGRAPH 9; [07] UPON FURTHER INVESTIGATION VERIFIED CORRECT LOCATION FOR GUSSET P/N 143A9481-5 AT B/S 500D STR 19R IAW DWG143A7902 REV:; [08] VERIFIED. CORRECT LOCATION IS STR 19R; VERIFIED LOCATED AND DRILLED; OK TO INSTALL; [09] INSTALLED NEW GUSSET P/N 143A9481-5 AT B/S 500D STR 19R IAW DWG 143A7902 REV:; [10] INSTALLED NEW GUSSET P/N 143A9481-5 AT B/S 500D STR 19R IAW SRM 51-40-02 AND DWG 143A7902 REV:; [11] VERIFIED - INSTALLED NEW GUSSET P/N 143A9481-6 AT B/S 500D STR 19R IAW SRM 51-40-02 AND DWG 143A7902 REV:; [12] UPDATED; [13] VERIFIED ALL WORK ACCOMPLISHED THIS TASK

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