# SDR SWAA2022030369128

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 4, 2022
- Submitted: March 3, 2022
- Operation: Air carrier
- Aircraft: [N469WN](https://openairdocs.org/aircraft/N469WN), registered now
- Make and model: Boeing 737*
- Aircraft serial: 33859
- Aircraft time: 59,572 hours, 35,384 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: None
- Condition: Corroded
- Location: Aft Fuselage
- Stage of operation: UK
- 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/SWAA2022030369128

## Discrepancy

CORROSION ON 986 FLOORBEAM UPPER CHORD AT LBL 44 AND AT RBL 44; WL 208. / [01] VERIFY APPLICABILITY PER SRM 53-70-51-1A-1; NSTALLED L/H BS986 RBL1-LBL55 T-CHORD REPAIR I.A.W SRM 53-70-51-2R-4 REPAIR 4 ALTERNATIVE 2 PAR.4.N-O.;INSTALLED R/H BS986 RBL22-RBL55 T-CHORD REPAIR I.A.W SRM 53-70-51-2R-4 REPAIR 4 ALTERNATIVE 2 PAR.4.N-O.; INSTALLED REPAIR ON L/H FLANGE RBL1-LBL55 AND R/H FLANGE RBL22-RBL55 OF THE UPPER CHORD BS986 WL208 I.A.W 53-70-51-2R-4 REPAIR 4 ALTERNATIVE 2 PAR 1- 4.S

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