Service difficulty report · Release Mech · Boeing 737924ER

Difficulty date
May 13, 2025
Submitted
May 15, 2025
Operation
Air carrier
Aircraft
N37422
Make and model
Boeing 737924ER
Aircraft serial
31620
Aircraft time
53,939 hours, 19,069 cycles
Part
Release Mech
Part number
273A45103
Condition
Damaged
Location
Zone 700
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

LANDING GEAR MANUAL EXTENSION SYSTEM FUNCTIONAL CHECK {B737-32-3-0557} - NOSE MANUAL GEAR EXTENSION INOP. DOES NOT MOVE WHEN CABLE IS PULLED. REMOVED COCKPIT FLOOR PANEL FOR ACCESS REF AMM 32-35-11-000-801. REMOVED R/H NLG DOOR UPPER PUSH ROD AT TRUNNION CLEVIS POINT REF AMM 32-33-61 CALLED TOMC, FOR PARTS IN IPC 32-22-11-01A ITEMS 10,15,20,25 AND 30 DISCONNECTED MNGEA CABLE AT TURNBUCKLE. REMOVED 13EA. BOLTS FROM RELEASE ASSY. REF:AMM32-35-11-000-801. ADD EMP:401894 REMOVED RELEASE ASSY REF AMM 32-35-11 OK TO INSTALL NEW RELEASE ASSY VERIFIED PARTS NUMBER OK TO CONTINUE THE INSTALLATION PARTIALLY INSTALLED NEW RELEASE ASSY REF AMM 32-35-21-400-801 UP TO AND INCLUDING STEP 8 REF LOG PG 4830066 FOR PENDING NEW HARDWARE VERIFIED INSTALLATION OF NOSE LANDING GEAR MANUAL RELEASE ASSY AT TO AND INCLUDING STEP 8 REF AMM 32-35-21-400-801. (2 BOLTS NEED TO BE REPLACE) REF LOG PG 4830066. SDR INFORMATION UPDATED. FINISHED INSTALLATION OF NEW RELEASE ASSY REF AMM 32-35-21-400-801. REF LP #4830066 FOR REPLACEMENT OF 2 BOLTS. REINSTALLED R/H NLG DOOR UPPER PUSH ROD AT TRUNNION CLEVIS POINT REF AMM 32-33-61. OPS CHECK OF RELEASE ASSY STILL REQUIRED. INSPECTED CABLE RIG AND SAFETY, VERIFIED RIG PIN REMOVAL REF AMM 32-35-21-400-801. VERIFIED INSTALLATION OF PUSH ROD AT TRUNNION CLEVIS POINT FOR TORQUE AND SAFETY REF 32-33-61. MANUAL RELEASE MECHANISM REPLACED.