What was found
DURING VISUAL INSPECTION AT ENGINE SHOP VISIT, MAINTENANCE FOUND A CRACKED IP COMPRESSOR ROTOR SEAL. LLP SEAL WILL BE SCRAPPED AND QUARANTINED AND REPLACED WITH NEW SERVICEABLE SEAL.
- Difficulty date
- October 27, 2021
- Submitted
- October 27, 2021
- Operation
- Air carrier
- Make and model
- Boeing 7879
- Aircraft serial
- ZB376
- Engine
- Rroyce TRENT1000J2
- Engine time
- 18,681 hours, 2,248 cycles
- System (JASC)
- 7230 · Turbine Engine Compressor Section
- Part
- Seal
- Part number
- KH19098
- Part serial
- 203914ACS450
- Condition
- Cracked
- Location
- Powerplant
- Part time
- 7,364 hours, 851 cycles
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.