# SDR BJNA961112

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 8, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N457TM
- Make and model: Boeing 737214
- Aircraft serial: 20156
- System (JASC): [5753 · Trailing Edge Flaps](https://openairdocs.org/jasc/5753)
- Part: Rib
- Part number: 6590737563
- Condition: Cracked
- Location: Te Mid Flap
- Part time: 52,149 hours
- 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/BJNA961112

## Discrepancy

DURING A SCHEDULED INSPECTION AT AERO CORP IN LAKE CITY, FLORIDA THE LEFT WING INBOARD MID FLAP SEVENTH RIB FROM THE INBOARD END WAS FOUND WITH A CRACK ON THE LOWER FLANGE.  REMOVED AND REPLACED WITH A NEW NR 7 RIB IAW B737 SRM 51-10-01, 51-30-02 PAGE 1 AND AERO CORP EO 96-391 REV 1 DATED NOV 13, 1996.  (M)

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