SDR ASAA2023022142332

Service difficulty report · Unknown · Boeing 737890

Difficulty date: February 21, 2023
Submitted: March 14, 2023
Operation: Air carrier
Aircraft: N581AS
Make and model: Boeing 737890
Aircraft serial: 35188
Aircraft time: 55,489 hours, 16,498 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Unknown
Part number: 147A550515
Condition: Corroded
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

INTERNAL PASSENGER FLOOR STRUCTURE WET AREA HAS CORROSION BELOW FASTENER HOLE AT FRAME STA 967, RBL 18. GROUNDED - YES. REMOVED CORROSION ORIG .125, REMAIN .098 LOSS OF .027.FOUND OUT OF LIMITS IAW B737-800 SRM 53-70-51 CUTOUT DAMAGE, FABBED REPAIR PARTS, ALODINED, PRIMED AND INSTALLED REPAIR IAW B737-800 SRM 53-00-51-2R-1.