# SDR DALA1163209229

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 10, 2011
- Submitted: November 14, 2011
- Operation: Air carrier
- Aircraft: [N929DN](https://openairdocs.org/aircraft/N929DN), registered now
- Make and model: Doug MD-90-30
- Registry model: [Doug MD-90-30](https://openairdocs.org/model/mcdonnell-douglas-md-90-30) (OpenAirDocs)
- Aircraft serial: 53459
- Aircraft time: 29,423 hours, 21,792 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Stiffener
- Condition: Cracked
- Location: Nlg Ww
- 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/DALA1163209229

## Discrepancy

FOUND DURING CONFORMITY CHECK, FAA FIND.  AT STATION 44, IN THE NOSE WHEEL WELL, FORWARD OF LEFT NOSE GEAR DOOR, STIFFENER CRACKED ON BULKHEAD.  MAINTENANCE REMOVED STIFFENER FABRICATED AND DRILLED STIFFENER PER MD90 DRAWING 9911500.  TREATED AND PAINTED STIFFENER PER PS 900-2-4-1 NUMBER 2.  INSTALLED STIFFENER PER MD90 SRM 51-00-0.

---
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.