# SDR U2RA2021101100064

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 2, 2021
- Submitted: October 11, 2021
- Operation: Air carrier
- Aircraft: [N936CA](https://openairdocs.org/aircraft/N936CA), registered now
- Make and model: Boeing 747446
- Aircraft serial: 25308
- Aircraft time: 79,053 hours, 16,137 cycles
- Engine: Ge CF680C2B1F
- System (JASC): [7830 · Engine Thrust Reverser](https://openairdocs.org/jasc/7830)
- Part: Thrust Reverser
- Part number: 315U202821J
- Part serial: R649250
- Condition: Gouged
- Location: Zone 400
- 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/U2RA2021101100064

## Discrepancy

#1 ENGINE OTBD T/R FORWARD UPPER FAN COWL LANDING (RING TORQUE BOX RETAINER) GOUGED.
ACCOMPLISHED MAJOR REPAIR OF THE #1 ENGINE (LH) THRUST REVERSER RING TORQUE BOX RETAINER GOUGE IAW VT-SAA EA 747-7831-56-A9241 REV. I/R. 8110-3 APPROVED BY ROBERT M. MANASHI DERT-710167-SW DATED 07/26/202. VT-SAA NRC B000302.

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