What was found
AIRCRAFT IN BASE MAINTENANCE: AFT FUSELAGE LOWER DRAIN MAST HAS SEVERAL AREAS OF CORROSION. BS 1005 WL208. REPLACED DRAIN MAST PER AMM 38-31-01-400-801.
- Difficulty date
- November 13, 2023
- Submitted
- November 17, 2023
- Operation
- Air carrier
- Aircraft
- N912AN
- Make and model
- Boeing 737823
- Aircraft serial
- 29513
- Aircraft time
- 62,141 hours, 25,343 cycles
- System (JASC)
- 3830 · Waste Disposal System
- Part
- Drain Mast
- Part number
- 417T209310
- Condition
- Corroded
- Location
- Zone 100 - Fuse
- 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.