Service difficulty report · Tube · Boeing 737924ER

Difficulty date
May 23, 2026
Submitted
May 25, 2026
Operation
Air carrier
Aircraft
N38473
Make and model
Boeing 737924ER
Aircraft serial
38702
Aircraft time
40,867 hours, 14,887 cycles
Part
Tube
Part number
364A31015
Condition
Cracked
Location
Zone 400
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

LH ENGINE FIRE SUPPRESSION TUBE IS SHEARED. LOCATED APPROX 9" INBD OF ENG AFT PYLON FAIRING REMOVED AND REPLACED LEFT ENGINE AFT FIRE SUPPRESSION TUBE THAT RUNS THRU PANEL 551GB IAW BOEING DRAWING 272A3101-13 REV B AND AMM 26-21-00-720-801.