What was found
DURING NR 2 ENGINE CHANGE, FOUND NR 2 LOWER HORIZONTAL SPAR WITH 6 INCH CRACK. CRACK WAS LOCATED BETWEEN NAC STA 210 AND 216, ADJACENT TO INBOARD CHORD. REPAIRED PER ADAPTION OF SRM 54-10-03.
- Difficulty date
- September 29, 1995
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N148UA
- Make and model
- Boeing 747SP21
- Aircraft serial
- 21648
- Engine
- Pwa JT9D7A
- System (JASC)
- 5400 · Nacelle/Pylon Structure
- Part
- Spar
- Condition
- Cracked
- Location
- Nac Sta 210-216
- Stage of operation
- IN
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.