What was found
DUCT PRESSURE DROPPED FROM 32 TO 6 PSI ON APU START. NO ROTATION. APU PNEUMATIC SYSTEM INOPERATIVE. *S/D* APU OPERATED NORMALLY WITH NO PNEUMATIC PROBLEMS.
- Difficulty date
- December 14, 1997
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N7273U
- Make and model
- Boeing 727222
- Aircraft serial
- 21420
- Engine
- Pwa JT8D15
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Pneumatic Syst
- Condition
- Malfunctioned
- Location
- Apu
- Stage of operation
- IN
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.