What was found
INSPECTION TYPE: C, LEFT MLG WW AFT BULKHEAD APU BLEED AIR DUCT CUTOUT I/B UPPER AREA CRACKED AT STA 1480, LBL 100. LEFT BLG W/W AFT BULKHEAD APU BLEED AIR DUCT CUTOUT WEB REPAIRED AS PER EO B747-5310-3100-C FIG 4.
- Difficulty date
- September 24, 2004
- Submitted
- October 20, 2004
- Operation
- Air carrier
- Aircraft
- N681UP
- Make and model
- Boeing 747121
- Aircraft serial
- 19661
- Aircraft time
- 104,265 hours, 26,546 cycles
- System (JASC)
- 5312 · Fuselage Main, Bulkhead
- Part
- Bulkhead
- Condition
- Cracked
- Location
- Lt Mlg Ww
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.