# SDR SWAA2025060969973

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 12, 2025
- Submitted: June 9, 2025
- Operation: Air carrier
- Aircraft: [N942WN](https://openairdocs.org/aircraft/N942WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36648
- Aircraft time: 51,445 hours, 31,499 cycles
- System (JASC): [5314 · Fuselage Main, Keel](https://openairdocs.org/jasc/5314)
- Part: Keelbeam
- Condition: Cracked
- Location: Zone 100
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2025060969973

## Discrepancy

CRACK INTERNAL STRUCTURE KEEL BEAM LOCATED BETWEEN BS 727 TO BS 727A AND STR 27R AT AFT CARGO COMPARTMENT 2025-310172<[01] ON STEP 7 AND 8. TOOL USED: ET INSTRUMENT. P/N: NORTEC 600D. S/N: 60007161486. DUE DATE: 06-SEP-25.;[02] TOOLS USED: TEMPERATURE CONTROLLER: P/N: P3015GOES00000; S/N: 142811020; DUE DATE: 29-JAN-26; TEMPERATURE CONTROLLER P/N: 38615K71; S/N: AE-40585; DUE DATE: 26-JUL-25.;[03] TOOL USED: RADIOMETER PHOTOMETER; PN: XRP-3000; SN: 1753759; CAL DUE DATE: 30-JUN-25;[04] REPAIRED INTERNAL STRUCTURE KEEL BEAM LOCATED BETWEEN BS 727 TO BS 727A AND STR 27R AT AFT CARGO COMPARTMENT IAW EA 25-153-01234 SUMMARY AND EA 25-153-01234-WIP1 AND 25-153-01234-WIP2. SEE INDIVIDUAL SIGNOFFS BELOW.;[05] REPAIRED INTERNAL STRUCTURE KEEL BEAM LOCATED BETWEEN BS 727 TO BS 727A AND STR 27R AT AFT CARGO COMPARTMENT IAW EA 25-153-01234 SUMMARY AND EA 25-153-01234-WIP1 AND 25-153-01234-WIP2. RII. SEE INDIVIDUAL SIGNOFFS BELOW.

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