# SDR ASAA2016030916075

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 9, 2016
- Submitted: March 25, 2016
- Operation: Air carrier
- Aircraft: N303AS
- Make and model: Boeing 737990
- Aircraft serial: 30016
- Aircraft time: 53,482 hours, 20,560 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Bulkhead Web
- Part number: 111A11111
- Condition: Cracked
- Location: Bs 663
- 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/ASAA2016030916075

## Discrepancy

LEFT MLG WHEEL WELL FWD BULKHEAD WEB POSSIBLE CRACK ABOVE AILERON AUTOPILOT VALVE. ACFT GROUNDED.  REMOVED DAMAGE AND ACCOMPLISHED DOUBLER REPAIR IAW SRM 57-10-10-2R-3, REPAIR 3.  REPAIR 3 IS CATEGORY B WITH AN INSPECTION THRESHOLD DUE 56,000 FLIGHT CYCLES.  REPAEAT INTERVAL INSPECTIONS ARE REQUIRED AT 36,000 FLIGHT CYCLES BY HFEC INSPECTIONS IAW NOT PART 6 51-00-00, PROCEDURE 23 AND LFEC INSPECTIONS IAW NOT PART 6, 51-00-26 DETAILED IAW SRM 57-10-10 2R-3 REPAIR 3, PARAGRAPH 2, TABLE 204.

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