What was found
INSPECTION TYPE:C NLG WW, BS 400 PRESSURE PAN CRACK FOUND APPROX 1 INCH LONG. NLG WW BS 400 BULKHEAD PRESSURE PAN REPLACED AS PER SRM 51- 10-01 AND INSTALLED AS PER BOEING DWG 624U0005 SHT 1 - 9.
- Difficulty date
- July 18, 2001
- Submitted
- August 3, 2001
- Operation
- Air carrier
- Aircraft
- N520UP
- Make and model
- Boeing 747212B
- Aircraft serial
- 21943
- Aircraft time
- 69,723 hours, 15,709 cycles
- System (JASC)
- 5312 · Fuselage Main, Bulkhead
- Part
- Pressure Panel
- Part number
- 141U10878
- Condition
- Cracked
- Location
- Fuselage
- 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.