What was found
APU BULKHEAD AT BS 2658 FWD FACE NR 2 STIFFENER FROM BOTTOM, FOUND BOTH SIDE ENDS CRACKED. THE STIFFENER WAS REPAIRED IAW RI-53-83-11741.
- Difficulty date
- February 27, 2017
- Submitted
- March 3, 2017
- Operation
- Air carrier
- Aircraft
- N492MC
- Make and model
- Boeing 74747UF
- Aircraft serial
- 29253
- Aircraft time
- 78,350 hours, 13,517 cycles
- System (JASC)
- 5312 · Fuselage Main, Bulkhead
- Part
- Stiffener
- Part number
- 65B027129
- Condition
- Cracked
- Location
- Bs 2658 Bulkhead
- 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.