What was found
LT MLG WW APU BLEED AIR DUCT CUTOUT CRACKED AT 2 AND 7 O'CLOCK POSITION AT STA 1480 (CRACK LENGTH 2.5 IN). LT MLG WW AREA BLEED AIR DUCT CUTOUT REPAIRED AS PER UPS EO B747-5310-3100-C AND DWG 144U2602.
- Difficulty date
- May 12, 2005
- Submitted
- June 6, 2005
- Operation
- Air carrier
- Aircraft
- N677UP
- Make and model
- Boeing 747123F
- Aircraft serial
- 20391
- Aircraft time
- 94,338 hours, 23,406 cycles
- System (JASC)
- 5312 · Fuselage Main, Bulkhead
- Part
- Pressure Panel
- Condition
- Cracked
- Location
- Lt Mlg Ww
- 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.