What was found
INSPECTION FOUND A 5 INCH CRACK IN INBOARD WELD SEAM OF APU TORUS ASSEMBLY. THE APU WAS REMOVED AND REPLACED IAW MM 49-10-01. LEAK AND OPERATIONAL CHECKS WERE GOOD.
- Difficulty date
- January 19, 1998
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N17407
- Make and model
- Boeing 727243
- Aircraft serial
- 21270
- System (JASC)
- 4920 · APU Core Engine
- Part
- Torus
- Part number
- 38067811
- Condition
- Cracked
- Location
- Apu Compt
- Part time
- 26,244 hours
- Stage of operation
- IN
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.