# SDR SWAA2021081895084

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 15, 2021
- Submitted: August 18, 2021
- Operation: Air carrier
- Aircraft: [N444WN](https://openairdocs.org/aircraft/N444WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29839
- Aircraft time: 61,121 hours, 35,983 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Strap
- Condition: Corroded
- Location: Bs 1023 Rbl18
- 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/SWAA2021081895084

## Discrepancy

CORROSION ON STRAP BS 1023 RBL 18 WL 208 ; / [01] REMOVED CORROSION FROM STRAP BS 1023 RBL 18 WL 208 PER SRM 51-10-02-0G-0. AMOUNT REMOVED 1'X1'X0.009'.ORIGINAL THICKNESS .071'. DUE TO NO LIMITS IN SRM; FOUND TO BE OUT OF LIMITS. STRAP WILL BE REMOVED AND REPLACED BY NEW STRAP.; [02] UPDATED MEASUREMENT TABLE; [03] VERIFIED; [04] VERIFIED EVALUATION FOUND TO BE OUT OF LIMITS PER SRM 51-10-02-0G-0.; [05] REMOVED STRAP BS 1016 - 1023 RBL 18 WL 208 AS PER SRM 51-40-02-0G-0; [06] LOCATED & DRILLED STRAP BS 1016 -1023 RBL 18 WL 208 AS PER SRM 51-40-05-0G-0 & 51-40-08-0G-0; [07] VERIFIED DRILL UP OF NEW STRAP; OK TO PROCEED; [08] INSTALLED NEW STRAP AT BS 1016-1023 RBL18 WL 208 PER SRM 51-40-02 AND DWG# 147A5730.; [09] INSTALLED NEW STRAP AT BS 1016-1023 RBL18 WL 208 PER SRM 51-40-02 AND DWG# 147A5730.; [10] VERIFIED; [11] RII INSPECTED INSTALLED NEW STRAP AT BS 1016-1023 RBL18 WL 208 PER SRM 51-40-02 AND DWG# 147A5730.

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