SDR DALA2023042103144

Service difficulty report · Unknown · Boeing 737932ER

Difficulty date: April 18, 2023
Submitted: April 22, 2023
Operation: Air carrier
Aircraft: N822DN
Make and model: Boeing 737932ER
Aircraft serial: 31933
Aircraft time: 27,259 hours, 10,481 cycles
System (JASC): 5321 · Fuselage Floor Panel
Part: Unknown
Condition: Unknown
Location: Unknown
Stage of operation: IN
How discovered: O
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

AIRCRAFT 3822, CORROSION ON FLOOR BEAM STA 947 RBL 51. CORRECTIVE ACTION: CORROSION ON FLOOR BEAM, UPPER CHORD, ON STA. 947 AND RBL 51 WAS REMOVED WITH REMAINING THICKNESS OF 0.130" IAW. B737-900 SRM 53-70-51-2R-8 PARA.4C REL. 49 03/10/23 AND REPAIRED WITH A STRAP OF SHEET CLAD 7075 T6 OF 0.100" THICKNESS AND LENGTH 9.700", WIDTH 1.000" AND FASTENERS OF 3/16" DIAMETER BACB30NW6K. THIS REPAIR IS PERMANENT CATEGORY "A" IAW. B737-900 SRM 53-70-51-R-8. (LP 2725959)