What was found
WHILE ACCOMPLISHING APU DRAIN MAST INSPECTION, T/C NG-28FCD-18312-1, FOUND A CRACK STARTING AT TRAILING EDGE APPROXIMATELY 1 INCH. ACFT GROUNDED. REMOVED AND REPLACED APU FUEL FEED LINE SHROUD DRAIN MAST, IAW AMM 28-25-07.
- Difficulty date
- June 7, 2017
- Submitted
- June 9, 2017
- Operation
- Air carrier
- Aircraft
- N588AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35685
- Aircraft time
- 36,604 hours, 11,116 cycles
- System (JASC)
- 2820 · Aircraft Fuel Distribution System
- Part
- Drain Mast
- Part number
- 346A28015
- Condition
- Cracked
- 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.