Service difficulty report · Seal · Boeing 737824

Difficulty date
March 7, 2026
Submitted
March 9, 2026
Operation
Air carrier
Aircraft
N37273
Make and model
Boeing 737824
Aircraft serial
31591
Aircraft time
74,909 hours, 26,966 cycles
Engine
Cfmint CFM567B262
Engine time
4,919 hours, 2,331 cycles
Part
Seal
Condition
Not Seated
Location
Nr 2 Engine
Part time
4,919 hours, 2,331 cycles
Stage of operation
NR
How discovered
O
Nature of condition
J
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

REPEAT CHRONIC LVL 1 NR 2 BLEED TRIP OFF LIGHT ILLUMINATED DURING CLIMB APPROX FL100. SUSPECT HOT AIR PORTING TO THE BAR TRIPPING THE PRESSURE SWITCH. PERFORMED HIGH PRESS COMPRESSOR FRONT STATOR INSPECTION IAW AMM 72-32-00-200-801-F00. FOUND NO EVIDENCE OF DAMAGED STATORS OR HEAT TRANSFER TO BAR MOUNT PLATE,UPON INSPECTION OF PCCV KISS SEAL, FOUND SEAL NOT FULLY MATED TO PRECOOLER, SEE PHOTOS. REMOVED AND REPLACED NR 2 PRECOOLER. ACCOMPLISHED HIGH POWER RUN AND TAXI AND POWER ASSURANCE CHECK REF AMM TASK 71-00-00-700-813-F00. NO BLEED AIR FAULTS OR BLEED AIR LIGHT ILLUMINATED. OK TO CONTINUE.