N320BK
Registered owner: AMERICAN AIRLINES INC, TX (owner ≠ operator)
Operators of this aircraft
Who operated this tail, and how firmly we know it.
No operator established for this aircraft.
Accident & incident history
No NTSB accidents or incidents on file for this aircraft.
Maintenance disclosures
THIS IS A SUPPLIMENTAL SDR AND THIS SDR IS NOT A REPORTABLE SDR. EMER LT STILL ON WITH AIRCRAFT POWERED DOWN. AFTER TURNING ON AIRCRAFT WE GOT EMER LT BATT FAULT EICAS MESSAGE FOLLOWED FIM TASK 33-50-00-810-802-A, DETERMINED THE FWD EMER BATT CAPACITY WAS INOP. RAR FWD EMER BATT IAW AMM 33-50-01, OPS CHK GOOD. FOLLOWED FIM TASK 33-50-00-810-802-A, DETERMINED THE FWD EMER BATT CAPACITY WAS INOP. RAR FWD EMER BATT IAW AMM 33-50-01, OPS CHK GOOD.
ENG 1 LP VIBRATION REOCCURRING THROUGHOUT FLIGHT IN EXCESS OF 10 SECS, MAX REACHED 5.1 OCCURRED AT ALTITUDE AND IN DESCENT INTO PHX, COMPLIED WITH PROCEDURES AND VIBRATIONS DID NOT GO AWAY EMERGENCY DECLARED. SPOKE WITH PILOTS. PILOTS DECLARED AN EMERGENCY COMING INTO PHX. PILOTS STATED THEY GOT AN INITIAL 4.1 READING WHICH INCREASED AS THEY THROTTLED BACK TO IDLE AND CONTINUED TO INCREASE ON DESCENT UNTIL 13K FT & A 5.0 INDICATION. CAPT STATES NO VIBRATION FELT. FAN BLADES MOVE FREELY ON E1. FOLLOWED ETN-EJ-72-009 TO A 25 FC ENGINE VIBE ANALYSIS DEFERRAL. TDMI # 320T723 ALREADY OPEN. REFERENCE AML PAGE 147000017. ENGINE GROUP HAS ANALYZED VIBRATION TRENDS AND ISSUED EHM- AS A RESOLUTION. EHM-2025-12-01 320-LH-0002 - PERFORM W9 INSPECTION IAW AMM 71-50-15/600. C/W PSR EHM-2025-12-01 320-LH-0002 FOR INSPECTION OF LT ENG W9 ELECT HARNESS IAW AMM 71-50-15, FOUND NO DEFECTS ON HARNESS. EHM-2025-12-01 320-LH-0002 FWD & AFT ACCELEROMETER INSPECTION & CLEANING IAW LMM 77-00-00. NO DEFECTS NOTED. C/W PSR EHM-2025-12-01 320-LH-0004. CLOSED TDMI 320T723 PER PSR IAW ETN-EJ-72-009. REF AML 147000025, NRWC 320-LIT-00028, AND NRWC 320-LIT-00029 FOR ALL WORK ACCOMPLISHED