Service difficulty report · Pressure Deck · Boeing 73776N

Difficulty date
July 14, 2021
Submitted
August 10, 2021
Operation
Air carrier
Aircraft
N7723E
Make and model
Boeing 73776N
Aircraft serial
32670
Aircraft time
48,099 hours, 24,239 cycles
Part
Pressure Deck
Condition
Dented
Location
Cockpit
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

FLIGHT DECK FLOOR IS DENTED AT B.S. 255; R.B.L. 4 - L.B.L. 14; W.L. 207.54. ; / [01] DAMAGED AT EXISTING REPAIR FOUND TO BE OUT OF LIMITS NO ALLOWABLE DAMAGE FOUND AT SRM; [02] ADDING SRM REFERENCE USED: SRM 53-10-51-1A-1; [03] CORRECTING MEASUREMENT FOR SHORTEST/DEPTH (RATIO); [04] REMOVED EXISTING REPAIR FROM FLIGHT DECK FLOOR BETWEEN BS 250 TO BS 270 LBL 20 TO LBL 10 WL 207.54 PER SRM 51-40-02; [05] FABRICATED -1 REPLACEMENT WEB FROM 2024T3 .040 LOT # 1463135-1 ; FABRICATED DOUBLER -2 AND -3 FROM 2024T3 .050 LOT # 1459974-1 AT FLIGHT DECK FLOOR BETWEEN LBL 20 TO RBL 10 WL207.54 BS 250 TO BS 270; FABRICATED DOUBLER -2 AND -3 FROM 2024T3 .050 LOT # 1459974-1 AT FLIGHT DECK FLOOR BETWEEN LBL 20 TO RBL 10 WL207.54 BS 250 TO BS 270; APPLIED CHEMICAL CONVERSION COATING AT REPAIR PARTS REFERENCE SWA EA 1-753-34875 REV. IR. OK TO APPLY PRIMER ON PARTS;[12] INSTALLED NEW REPAIR PARTS ON FLIGHT DECK FLOOR BETWEEN BS 250 TO BS 270 LBL 20 TO RBL 10 WL 207.54 IAW SRM 51-40-02-OG-0; EA NO: 1-753-34875 REV IR AND APPLIED FILLET SEAL OF BMS 5-95 SEALANT AROUND THE EDGES OF THE REPAIR PER 737-700 SRM 51-20-05 AND EA NO:1-753-34875 REV IR. OK TO APPLY CIC AND PAINT; [13] INSTALLED NEW REPAIR PARTS ON FLIGHT DECK FLOOR BETWEEN BS 250 TO BS 270 LBL 20 TO RBL 10 WL 207.54 IAW SRM 51-40-02-OG-0;ESR:21-02218; EA NO: 1-753-34875

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