# SDR DALA1152026309

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 27, 2011
- Submitted: September 8, 2011
- Operation: Air carrier
- Aircraft: N669US
- Make and model: Boeing 747451
- Aircraft serial: 24224
- Aircraft time: 90,864 hours, 11,144 cycles
- System (JASC): [5240 · Service Doors](https://openairdocs.org/jasc/5240)
- Part: Gate
- Condition: Corroded
- Location: R1 Door
- 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/DALA1152026309

## Discrepancy

LOWER SURFACE CORROSION WAS FOUND ON LOWER GATE OF RT NR 1 DOOR. S=0.2"X0.2- PER ER/A 491638-14 REV ORIG.  PERFORMED THE LOWER GATE REPAIR.  ORIG.MAT. 0.150" DAMAGE DIM. L20.04" W1.1" D0.04".

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