Service difficulty report · Tube · Boeing 737823

Difficulty date
October 9, 2026
Submitted
October 14, 2026
Operation
Air carrier
Aircraft
N950NN
Make and model
Boeing 737823
Aircraft serial
31194
Aircraft time
36,637 hours, 15,260 cycles
Engine
Cfmint CFM567B24E
Engine time
48,648 hours, 20,547 cycles
Part
Tube
Part number
3400051050
Condition
Clogged
Location
Nr 1
Stage of operation
CL
How discovered
O
Nature of condition
R
Precautionary procedure
A

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

What was found

AIRCRAFT WAS GROUNDED: -- EMERGENCY DECLARED; AIRCRAFT LANDED WITHOUT INCIDENT. AIRCRAFT TAXIED TO THE GATE ON ITS OWN POWER.-- NUMBER 1 ENGINE WOULD NOT PRODUCE MORE THAN 88.0 N1. NUMBER 2 ENGINE PRODUCED 92.9 N1. EECS WERE NORMAL. NO OTHER ENGINE ABNORMALITIES NOTED. ACCOMPLISHED FIM 73-05-00-810-808-F00 FOUND MOISTURE AND DEBRIS E1 PS3 LINE CLEANED IAW AMM 71-20-00-201 ACCOMPLISHED SATIS POWER ASSURANCE TEST IAW J/C 08L40072006 OK FOR CONT SVC.