# SDR SWAA2021071982491

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 11, 2021
- Submitted: July 19, 2021
- Operation: Air carrier
- Aircraft: [N489WN](https://openairdocs.org/aircraft/N489WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33855
- Aircraft time: 54,253 hours, 32,244 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Baffle
- Condition: Damaged
- Location: Bs 500b-500c
- 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/SWAA2021071982491

## Discrepancy

FCB R/H FLOOR TO SIDEWALL BAFFLE HAS OVERSIZED HOLES COMMON TO UPPER HORIZONTAL FLANGE BETWEEN BS500B & BS500C; RBL25; WL156 ; / [01] PART HAS NO ALLOWABLE DAMAGE LIMIT ON SRM; REPAIR BY REPLACEMENT PER SRM 51-10-02-0G-0<BR><BR>REMOVED FCB BAFFLE BS 500B-500C RBL 25 PER SRM 51-40-02-0G-0; [02] VERIFIED PART HAS NO ALLOWABLE DAMAGE LIMIT ON SRM; REPAIR BY REPLACEMENT PER SRM 51-10-02-0G-0.; [03] LOCATED AND DRILLED FCB L/H FLOOR TO SIDEWALL BAFFLE BETWEEN BS500B - BS500C RBL25 WL 156 IAW SRM 51-40-05-0G-0 AND DWG 143A7505; [04] TYPO IN ITEM L/H INSTEAD OF R/H; [05] LOCATED AND DRILLED FCB R/H FLOOR TO SIDEWALL BAFFLE BETWEEN BS500B - BS500C RBL25 WL 156 IAW SRM 51-40-05-0G-0 AND DWG 143A7505; [06] CORRECTED TYPO; L/H TO R/H; [07] VERIFIED ALL WORK AND THE CORRECTED TYPO; CONFIRMED; [08] OK TO INSTALL.; [09] OK TO INSTALL.; [10] INSTALLED NEW BAFFLE AT BS 500C-500B RBL25 WL156 IAW SRM 51-40-05-0G-0 AND DWG 143A7505.; [11] SRM 51-40-02-0G-0 USED FOR INSTALLATION OF NEW BAFFLE.; [12] INSTALLED NEW BAFFLE AT BS 500C-500B RBL25 WL156 IAW SRM 51-40-05-0G-0 AND DWG 143A7505. AND SRM 51-40-02.; [13] VERIFIED INSTALLED NEW BAFFLE AT BS 500C-500B RBL25 WL156 IAW SRM 51-40-05-0G-0 AND DWG 143A7505. AND SRM 51-40-02.

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