What was found
FOUND STR 8L HAS 1 EA CRACK AT FASTENER HOLE, STA 840. CUT OUT DAMAGE & REPAIRED. A/C RETURNED TO SERVICE. SUSPECT PRESSURIZATION CYCLE FATIGUE. INCORPORATED SB 747-53A2484.
- Difficulty date
- September 19, 2006
- Submitted
- September 26, 2006
- Operation
- Air carrier
- Aircraft
- N177UA
- Make and model
- Boeing 747422
- Aircraft serial
- 24384
- Aircraft time
- 67,984 hours, 8,555 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 5313 · Fuselage Main, Longeron/Stringer
- Part
- Stringer
- Condition
- Cracked
- Location
- Bs 840 S8l
- 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.