# SDR DL72S990577

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 16, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N531DA](https://openairdocs.org/aircraft/N531DA), registered now
- Make and model: Boeing 727232
- Aircraft serial: 21814
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Part number: 65545662
- Condition: Cracked
- Location: Bs 580
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DL72S990577

## Discrepancy

WHILE ACCOMPLISHING LFEC INSPECTIONS PER SI 4-74176-12AD ON THE S26L LAP JOINT, CRACK INDICATIONS WERE NOTED BETWEEN BS 480 AND BS 681.  HFEC INSPECTIONS CONFIRMED 4 CRACK INDICATIONS.  ADDITIONALLY, A 2.5 INCH CRACK RUNNING FWD/AFT WAS NOTED AT S25L AT BS 540.  REPAIRED PER ERA 332881-14AD, REV E.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.