# SDR SWAA2021071581847

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 9, 2021
- Submitted: July 15, 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: Track
- Condition: Cracked
- Location: Fuselage
- 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/SWAA2021071581847

## Discrepancy

CRACKED TRACK AT AFT CARGO BAY BS727E RBL13 WL156. MARKED ; / [01] EVALUATED CRACK ON TRACK; FOUND TO BE OUT OF LIMITS DUE TO NOT ALLOWED PER SRM 53-00-53-1A-2; [02] VERIFIED EVALUATION OF CRACK ON TRACK; FOUND TO BE OUT OF LIMITS DUE TO NOT ALLOWED PER SRM 53-00-53-1A-2; [03] REMOVED CARGO TRACK BS 727-887 RBL 13 WL 156 PER SRM 51-40-02-0G-0.; [04] LOCATED AND DRILLED ACB FLOOR SUPPORT TRACK BS 727-887; RBL 13 PER SRM 51-40-05; DWG# 146A7500.<BR><BR>LOCATED AND DRILLED ACB FLOOR SUPPORT TRACK SPLICE ANGLE B/N BS 747-767; RBL 13 PER SRM 53-00-53-2R-3; FIG 203. A.<BR>OK TO INSTALL; [05] VERIFIED LOCATED AND DRILLED ACB FLOOR SUPPORT TRACK BS 727-887; RBL 13 PER SRM 51-40-05; DWG# 146A7500 OK TO INSTALL GIVEN.; [06] INSTALLED ACB FLOOR SUPPORT TRACK BS 727-887; RBL 13 PER SRM 51-40-02; DWG# 146A7500 AND SPLICE ANGLE B/N BS 747-767; RBL 13 PER SRM 53-00-53-2R-3.; [07] RII FUNCTION VERIFIED INSTALLED ACB FLOOR SUPPORT TRACK BS 727-887; RBL 13 PER SRM 51-40-02; DWG# 146A7500 AND SPLICE ANGLE B/N BS 747-767; RBL 13 PER SRM 53-00-53-2R-3.; [08] VERIFIED INSTALLED ACB FLOOR SUPPORT TRACK BS 727-887; RBL 13 PER SRM 51-40-02; DWG# 146A7500 AND SPLICE ANGLE B/N BS 747-767; RBL 13 PER SRM 53-00-53-2R-3.

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