# SDR FDEA201004231342

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 23, 2010
- Submitted: April 26, 2010
- Operation: Air carrier
- Aircraft: N483FE
- Make and model: Boeing 727227
- Aircraft serial: 21465
- Aircraft time: 43,547 hours, 29,672 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Web
- Part number: 6517510253
- Condition: Cracked
- Location: Torque Box
- 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/FDEA201004231342

## Discrepancy

LT STAIRWELL BS 1279 LOWER VERT TORQUE BOX WEB IS CRACKED AT LIGHTENING   HOLE.  REMOVED DAMAGED AREA IAW SRM 51-10-1, REV 102. FABRICATED NEW   DOUBLER USING MATERIAL 7075 T-6 .032", PO NR. 9009134, DIM 1" X 4" IAW SRM 53-10-2   FIG 6 AND 51-40-1 FIG 1. INSTALLED NEW DOUBLER IAW SRM 51-30-2.

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