What was found
POSSIBLE CRACK ON APU/HYDRAULIC SHROUD DRAIN, AFT UPPER DRAIN MOUNT. ACFT GROUNDED. REPLACED APU SHROUD DRAIN/HYD VENT DRAIN MAST REF MM 28-25-07. APPLIED STENCIL TO DRAIN MAST REF MM 51-21-99, EXTERIOR MARKING MANUAL SECT.3, PG16.
- Difficulty date
- August 17, 2015
- Submitted
- August 19, 2015
- Operation
- Air carrier
- Aircraft
- N563AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35180
- Aircraft time
- 33,862 hours, 10,289 cycles
- System (JASC)
- 2910 · Hydraulic System, Main
- 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.