# SDR EIAA990075

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 7, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N480EV
- Make and model: Boeing 747121
- Aircraft serial: 20348
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Condition: Cracked
- Location: Bs 1478
- Part time: 97,499 hours
- 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/EIAA990075

## Discrepancy

HKG - DURING C-CHECK, MAIN DECK BS 1478 STRINGER 6L, BS 1485 STRINGER 15R AND 17R, STRINGER ENDS FOUND CRACKED.  NRC 7235, 7230 AND 7231 RESPECTIVELY.  REPAIRED IAW RS R-53-41-34003, 8110-3 AND ECRA.  (M)

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