What was found
PER T/C 78349000 SIGMA SEAL OUT OF LIMITS FOR COMPRESSION CHECK AT 1.1 INCHES. REPLACED SIGMA SEAL ON APU REF MM 49 15 11.
- Difficulty date
- September 17, 2011
- Submitted
- September 19, 2011
- Operation
- Air carrier
- Aircraft
- N583AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35681
- Aircraft time
- 15,666 hours, 4,757 cycles
- System (JASC)
- 4920 · APU Core Engine
- Part
- Seal
- Part number
- 353A40801
- Condition
- Out Of Limits
- Location
- Apu
- 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.