Service difficulty report · Floor Panel · Boeing 7377H4

Difficulty date
July 16, 2023
Submitted
August 29, 2023
Operation
Air carrier
Aircraft
N297WN
Make and model
Boeing 7377H4
Aircraft serial
32542
Aircraft time
51,861 hours, 31,224 cycles
Part
Floor Panel
Part number
UNKNOWN
Condition
Damaged
Location
Zn 100 Fus Lower
Stage of operation
IN
How discovered
9
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

WHILE INSTALLING HI-LOK FOR FSD MOP SILL REPAIR ARCHED ON TB5060H<[01] PERFORMED VISUAL HIDDEN DAMAGE INSPECTION; NO FURTHER VISUAL DAMAGE NOTED;[02] REMOVED ANGLE P/N 141A8314-6 AT BS 269 RBL 254 WL 208 IAW SRM 51-40-02.;[07] FORM ANGLE FROM 7075-T6 0.050' CLAD LOT # 1474582-1 I.A.W SRM SRM 51-30-01 AND BOEING DWG 141A8314;[08] DISCONNECTED BATTERY PER AMM 24-31-11-000-801-001 STEP 2.E THRU 2.F. 1. (C).;[09] VERIFIED CORRECTION ACTION ITEM 7 AND 8.;[10] REMOVED DAMAGED TB5060H PER SWPM 20-30-00.<BR>INSPECTED ALL REMOVED TERMINAL LUGS FOR DAMAGE; FOUND TERMINAL LUGS AT POSITIONS ONE AND TWO HAD SURFACE CARBON DEPOSITION DUE TO NEARBY ARCING. AFTER CLEANING; NOTE HAT TERMINAL LUGS ARE SERVICEABLE AND DO NOT REQUIRE REPLACEMENT. MOUNTED NEW TB5060H PER WDM HOOKUP LIST AND SWPM 20-30-00. TERMINAL STUD 4 BROKE DURING FINAL TORQUE OF TB5060H. ORDERED REPLACEMENT TERMINAL STRIP.<BR><BR>TORQUE WRENCH<BR>CAL ID: PER1147; DUE: 08/31/2023 20] REPAIRED DAMAGED COCKPIT FLOOR; REINSTALLED ACCESSED FASTENERS; REPLACED DAMAGED 141A8314-6 ANGLE AND DAMAGED COMPONENTS PER EA 23-153-02242.;[21] VERIFIED CORRECTIVE ACTION 20.

More about the Boeing 737-7H4