# SDR SWAA2023112117164

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 2, 2023
- Submitted: November 21, 2023
- Operation: Air carrier
- Aircraft: [N914WN](https://openairdocs.org/aircraft/N914WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36622
- Aircraft time: 51,132 hours, 31,028 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Part number: UNKNOWN
- Condition: Corroded
- Location: Zn 100 Fus Lower
- 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/SWAA2023112117164

## Discrepancy

FOUND CORROSION AT MAIN CABIN INTERCOSTAL STABILIZER RBL 11.05; BETWEEN STA. 294.5 & STA. 312; WL 208.1.<[01] ORIGINAL THICKNESS 0.080'; REMAINING MATERIAL 0.067'; REMOVED MATERIAL 0.013'. REWORKED AREA IS OUT OF LIMITS REF SRM 53-10-51-1A-1; FIGURE 105; DETAIL C. REMOVED AND INSTALLED NEW INTERCOSTAL STABILIZER AT MAIN CABIN; RBL 11.05; BETWEEN STA. 294.5 & STA. 312; WL 208.1. AS PER SRM 51-40-02-0G-0;[02] VERIFIED STEP # 1

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