What was found
WHILE ACCOMPLISHING TC: SBCFM56-7B-72-0986-1, FOUND STAGE 2 ANTI ROTATION PIN @ 9:00 POSITION HAS ROTATED BETWEEN ZERO BUT LESS THAN FOURTY FIVE DEGREES. ENG #1 S/N: 658688. GROUNDED - YES. ON DEFERRAL.
- Difficulty date
- August 6, 2023
- Submitted
- August 11, 2023
- Operation
- Air carrier
- Aircraft
- N459AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36352
- Aircraft time
- 35,044 hours, 10,996 cycles
- System (JASC)
- 7230 · Turbine Engine Compressor Section
- Part
- Unknown
- Part number
- UNKNOWN
- Condition
- Unknown
- Location
- Unknown
- Stage of operation
- IN
- How discovered
- B
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.