What was found
NR 1 ENG LP COMPRESSOR INNER CASE AFT AREA BTW 8-10 O'CLOCK WITH CRACKS AROUND HOLES (2 EA). REPAIR OF #1 ENG LP COMPRESSOR INNER CASE AFT AREA BTW 8-10 O'CLOCK ACCOMPLISHED ON JOB # T3F18E00694S2. I.A.W AMM 72-03-01-024-007-R00.
- Difficulty date
- March 13, 2025
- Submitted
- April 10, 2025
- Operation
- Air carrier
- Aircraft
- N473UP
- Make and model
- Boeing 75724APF
- Aircraft serial
- 28846
- Aircraft time
- 25,469 hours, 16,974 cycles
- Engine
- Rroyce RB211535E4
- System (JASC)
- 7230 · Turbine Engine Compressor Section
- Part
- Case
- Condition
- Cracked
- Location
- Nr 1 Compressor
- 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.