Service difficulty report · Floor Panel · Boeing 73776N

Difficulty date
November 13, 2023
Submitted
December 15, 2023
Operation
Air carrier
Aircraft
N7722B
Make and model
Boeing 73776N
Aircraft serial
32668
Aircraft time
55,418 hours, 28,473 cycles
Part
Floor Panel
Part number
UNKNOWN
Condition
Corroded
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

FWD WET AREA FLOOR PANEL 222BF HAS SEVERAL CORRODED INSERTS<[01] REPLACED MAIN CABIN FWD WET AREA FLOOR PANEL 222BF REF. B737-700 AMM 53-21-00-400-801. FLOOR PANEL WILL BE INSTALL ON FAULT TTG8Q00NPMDV3;[02] CORRECTION ON STEP #1 - CORRECT FAULT # TTG8Q00NPSH8;[03] VERIFIED FLOOR PANEL REPLACEMENT ON STEP #1 AND CORRECTED TTG8Q00NPSH8 ON STEP #2.

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