What was found
BS 2598 B/H STABILIZER HINGE SUPPORT FITTING AREA 1EA HOLE CORROSION CRACK AT FRAME SUPPORT (4TH LAYER FROM AFT) CRACK LENGTH 0.030". BOTH HOLE REWORKED TO 0.500" AS PER EO B747-5310-14056 HOLE CONFIRMED CRACK FREE.
- Difficulty date
- May 10, 2006
- Submitted
- May 22, 2006
- Operation
- Air carrier
- Aircraft
- N521UP
- Make and model
- Boeing 747211B
- Aircraft serial
- 21944
- Aircraft time
- 77,205 hours, 18,330 cycles
- System (JASC)
- 5510 · Horizontal Stabilizer Structure
- Part
- Hinge Bracket
- Condition
- Cracked
- Location
- Horizontal Stab
- 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.