# SDR 98ZZZX1972

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 7, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N672MC](https://openairdocs.org/aircraft/N672MC), registered now
- Make and model: Doug DC-9-51
- Registry model: [Doug DC-9-51](https://openairdocs.org/model/mcdonnell-douglas-dc-9-51) (OpenAirDocs)
- Aircraft serial: 47661
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Angle
- Part number: 3920324502
- Condition: Cracked
- Location: Bs 700-705
- 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/98ZZZX1972

## Discrepancy

RIGHT AND LEFT LOWER KEEL BEAM ANGLES TO FRAME ATTACH BRACKET FS 700 - FS 705 HAVE 3 INCH CRACKS RUNNING HORIZONTALLY. REMOVED AND REPLACED LEFT AND RIGHT KEEL BEAM ANGLES PER SRM 51-30-5.  TOTAL TIME:  45,975 HOURS.  TOTAL CYCLES:  71,775.  REF:  OPERATOR CONTROL NR HALA9800110.

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