# SDR DALA13011365650

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 8, 2013
- Submitted: March 12, 2013
- Operation: Air carrier
- Aircraft: [N550NW](https://openairdocs.org/aircraft/N550NW), registered now
- Make and model: Boeing 757251
- Aircraft serial: 26497
- Aircraft time: 31,933 hours, 12,346 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Condition: Damaged
- Location: Bs 700-720 S17r
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA13011365650

## Discrepancy

SIX DRILL STARTS BLENDED AND NOT IN ALLOWABLE LIMITS OF SRM 53-30-15, FIG 101, DET 3, PG 106, BS 700-720 ON RT STR 17 AT R2 CUTOUT LOWER SILL.  COMPLIED WITH ERA 511581-14 REV ORIG.

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