# SDR FDEA201108053110

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 5, 2011
- Submitted: August 24, 2011
- Operation: Air carrier
- Aircraft: N236FE
- Make and model: Boeing 727247
- Aircraft serial: 21330
- Aircraft time: 69,823 hours, 48,693 cycles
- System (JASC): [5314 · Fuselage Main, Keel](https://openairdocs.org/jasc/5314)
- Part: Keelbeam
- Part number: 652355570
- Condition: Corroded
- Location: Bs 804
- 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/FDEA201108053110

## Discrepancy

EXFOLIATED CORROSION ON KEELBEAM LWR SURFACE AT LIGHTNING HOLE AT FS 804.  REMOVED DAMAGED WEB AND "T" ANGLE FITTINGS (3) AT BS 740 -BS 870 BL0.  FABRICATED   NEW KEEL BEAM LOWER WEB.  LOCATED, DRILLED, AND DEBURRED NEW TEE FITTINGS.  INSTALLED NEW TEE FITTINGS AND NEW LOWER WEB (KEEL BEAM AREA) IAW SRM 51-30-2, SRM 53-10-1 FIG 1, SRM 53-10-2 FIG 1, SRM 51-30-5, SRM 51-10-2,  AND DRAWING 65-23555.

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