# SDR DALA1115989877

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 7, 2011
- Submitted: March 8, 2011
- Operation: Air carrier
- Aircraft: N786NC
- 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: 48148
- Aircraft time: 68,643 hours, 62,328 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Condition: Corroded
- Location: Bs 237-275
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA1115989877

## Discrepancy

CENTER LINE FLOOR PANEL BEAM, FROM STA 237 TO 275, HAS CORROSION REMOVED FLOOR SUPPORT UPPER FLANGE STA 218 TO 303, BL0 FOUND OUT OF LIMITS IAW SRM 53-01, FIG 1, PAG 3.  FABBED NEW FLOOR SUPPORT LOCATED AND DRILLED IAW SRM 53-13-1, FIG 11, 51-10-4 AND SRM 51-30-2, PAR 2 AND SRM 51-30-05, PAGE 1 AND INST INTERCOSTAL FROM STA 275 TO 294 BL0.  REMOVED AND INST NEW FLOOR SUPPORT STA 218 TO 303 BL 0 IAW SRM 51-30-5, PAR 7, PAGE 12.

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