# SDR AWXA9900078

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 1, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N186AW](https://openairdocs.org/aircraft/N186AW), registered now
- Make and model: Boeing 737277
- Aircraft serial: 22653
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Doubler
- Condition: Cracked
- Location: Bs 1138
- 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/AWXA9900078

## Discrepancy

IN MAINTENANCE, FOUND CRACKED DOUBLER BS 1138, WL 282, LBL 27.5, HAS A CRACKED INTERNAL DOUBLER.  REMOVED AND REPLACED DOUBLER FABRICATED FROM 7075-T6 .063 AND QQA- 250/13 HEAT TREATED AND PRIMED, INSTALLED PER SRM 53-30-3 FIG 37.

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