# SDR AALA202202019513

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 24, 2022
- Submitted: February 1, 2022
- Operation: Air carrier
- Aircraft: [N551UW](https://openairdocs.org/aircraft/N551UW), registered now
- Make and model: Airbus A300*
- Aircraft serial: 4940
- Aircraft time: 3,334 hours, 12,589 cycles
- System (JASC): [7830 · Engine Thrust Reverser](https://openairdocs.org/jasc/7830)
- Part: Door
- Part number: 7450377501
- Condition: Missing
- Location: Zone 400 - Nac/P
- 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/AALA202202019513

## Discrepancy

AIRCRAFT WAS GROUNDED: AFTER LANDING #2 ENGINE RIGHT HAND THRUST REVERSER PRESSURE RELIEF DOOR 462DR WAS FOUND TO BE MISSING. **SUPPLEMENTAL REPORT FOR AALA202201259513: DURING THE TROUBLESHOOTING OF THIS EVENT MAINTENANCE FOUND A GAP BETWEEN THE 10TH STAGE VALVE SEAL AND THRUST REVERSER. IT WAS DETERMINED THAT 10TH STAGE BLEED VALVE SILENCER ASSEMBLY WAS THE INCORRECT PART NUMBER AND REPLACED IT WITH THE PROPER PART NUMBER PER AMM 75-32-54. (AALA202202013401) MAINTENANCE INSTALLED A NEW RIGHT HAND THRUST REVERSER PRESSURE RELIEF DOOR 462DR PER EA 333609A.** (CLOSED)

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