# SDR SWAA2023062054138

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 30, 2023
- Submitted: June 20, 2023
- Operation: Air carrier
- Aircraft: N418WN
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29823
- Aircraft time: 71,436 hours, 42,247 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Web
- Part number: UNKNOWN
- Condition: Cracked
- 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/SWAA2023062054138

## Discrepancy

CRACK WEB HORIZONTAL LOCATED BS663.75 AT RBL16 AT CENTER WING BOX 2023-361017<[01] REPAIRED FUSELAGE FLOOR STRUCTURE PRESSURE DECK WEB BSTA 663.75 TO BSTA 675 & RBL 60 TO BL 0 IAW EA#23-153-01750-WIP1 (TTG8Q00LDPMK); EA#23-153-01750-WIP2 (TTG8Q00LFYE1); EA# 23-153-01750-WIP3 (TTG8Q00LC3ZW) SEE INDIVIDUAL SIGN OFF BELOW.;[02] CORRECTED STEP 1. REPAIRED FUSELAGE FLOOR STRUCTURE PRESSURE DECK WEB BSTA 663.75 TO BSTA 675 & RBL 60 TO BL 0 IAW EA#23-153-01750-WIP1 (TTG8Q00LDPMK); EA#23-153-01750-WIP2 (TTG8Q00LFYE1); EA# 23-153-01750-WIP3 (TTG8Q00LC3ZW) AND EA#23-153-01750 (TTG8Q00LNQR1) SEE INDIVIDUAL SIGN OFF BELOW.;[03] CERTIFIED RII MAJOR REPAIR PERFORMED. <BR>SEE INDIVIDUAL SIGNOFFS BELOW.

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