# SDR DALR960002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 12, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N710AA
- Make and model: Boeing 727223
- Aircraft serial: 22467
- System (JASC): [5314 · Fuselage Main, Keel](https://openairdocs.org/jasc/5314)
- Part: Keel Beam
- Part number: 6518363156
- Condition: Cracked
- Location: Fs 873
- 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/DALR960002

## Discrepancy

ATL - DURING CONTRACT MAINTENANCE AT DALA FOR HEAVY C-CHECK, THE RT AND LT SIDES OF THE KEEL BEAM JUST AFT OF STA 873 WERE FOUND CRACKED.  THE CRACK IN THE LT BEAM RESULTED IN THE REMOVAL OF A 0.750 INCH LONG BY 0.380 INCH WIDE BY 0.195 INCH DEEP SECTION OF THE CHORD BELOW THE CRACKED FLANGE.  THE CRACKS WERE CONFINED TO THE UPPER FLANGE OF THE CHORD ONLY AND WERE REPAIRED PER 727 SB 727-53-0208, REF DL ERA 303000-14. REFERENCE OPERATOR CONTROL NR AALA960339.  AIRCRAFT TT:  39,376 HRS.  AIRCRAFT TC:  21,692.  (X)

---
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.