What was found
CRACK IN NR 3 ENG PRE-COOLER, AFT OF HIGH STAGE BLEED CONNECTION. WELDED CRACK IAW PW 72-53-01.
- Difficulty date
- October 11, 1997
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N850FT
- Make and model
- Boeing 747122
- Aircraft serial
- 19755
- Engine
- Pwa JT9D7A
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Precooler
- Condition
- Cracked
- Location
- Nr 3 Engine
- 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.