# Service difficulty reports: N921AN

A list on [N921AN](https://openairdocs.org/aircraft/N921AN.md).

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first.

Page 1 of 4 · 174 reports

- [SDR AALA202603026988](https://openairdocs.org/sdr/AALA202603026988.md): Control Valve · faulty · Feb 27, 2026 · N921AN · Boeing 737823 · Cabin Cooling System
  > AIRCRAFT WAS GROUNDED: ON ALL 3 LEGS WHEN STARTING NUMBER 2 ENGINE WE GET A VERY STRONG FUEL AND EXHAUST ODOR IN THE CABIN AND FLIGHT DECK AS SOON AS FUEL IS INTRODUCED. THE ODOR CONTINUES THROUGH ENGINE START UNTIL RIGHT PACK IS TURNED ON, THEN THE ODOR DISSI
- [SDR AALA202512319322](https://openairdocs.org/sdr/AALA202512319322.md): Pump · low pressure · Dec 28, 2025 · N921AN · Boeing 737823 · Fuel Boost Pump
  > AIRCRAFT WAS NOT GROUNDED: NR 2 FUEL TANK AFT BOOST PUMP LOW PRESSURE LIGHT ILLUMINATED. MAINTENANCE REPLACED BOOST PUMP AND ACCOMPLISHED A SATISFACTORY LEAK / OPERATIONAL CHECK PER AMM 28-22-41.
- [SDR AALA202505158295](https://openairdocs.org/sdr/AALA202505158295.md): Light · inoperative · May 12, 2025 · N921AN · Boeing 737823 · Emergency Lighting
  > AIRCRAFT WAS NOT GROUNDED: SEAT MOUNTED EMERGENCY LIGHT INOPERATIVE AT ROW 24ABC. VERIFIED EMERGENCY LIGHT AT ROW 24ABC INOPERATIVE. **SUPPLEMENTAL REPORT FOR (AALA202505138295): REMOVED AND REPLACED 24ABC SEAT MOUNTED EMERGENCY LIGHT ASSEMBLY. OPERTIONAL TEST
- [SDR AALA202505138295](https://openairdocs.org/sdr/AALA202505138295.md): Light · inoperative · May 12, 2025 · N921AN · Boeing 737823 · Emergency Lighting
  > AIRCRAFT WAS NOT GROUNDED: SEAT MOUNTED EMERGENCY LIGHT INOPERATIVE AT ROW 24ABC. VERIFIED EMERGENCY LIGHT AT ROW 24ABC INOPERATIVE. **SUPPLEMENTAL REPORT WILL BE SUBMITTED**(OPEN).
- [SDR AALA202505097615](https://openairdocs.org/sdr/AALA202505097615.md): Roller · dislodged · May 7, 2025 · N921AN · Boeing 737823 · Fixed Inner Doors
  > AIRCRAFT WAS NOT GROUNDED: LAVATORY-D PULLED OFF TRACK BY PASSENGER AND IS STUCK IN LAVATORY NOW. REMOVED AND REPLACED ROLLER PLUNGER IN LAVATORY-D DOOR. PER CMM 25-40-64.
- [SDR AALA202505087615](https://openairdocs.org/sdr/AALA202505087615.md): Door · off track · May 7, 2025 · N921AN · Boeing 737823 · Fixed Inner Doors
  > AIRCRAFT WAS NOT GROUNDED: LAVATORY-D PULLED OFF TRACK BY PASSENGER AND IS STUCK IN LAVATORY NOW. (OPEN).
- [SDR AALA202504296958](https://openairdocs.org/sdr/AALA202504296958.md): Duct · damaged · Apr 24, 2025 · N921AN · Boeing 737823 · Air Distribution System
  > AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: CONTROL CABIN ZONE TEMPERATURE LIGHT ON RECALL, FLIGHT DECK TEMP UNCONTROLLABLE IT IS STUCKED AT FULL COLD 40 DEGREE SUPPLY DUCT TEMP READING. AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT MIA.
- [SDR AALA202504292401](https://openairdocs.org/sdr/AALA202504292401.md): Module · faulted · Apr 24, 2025 · N921AN · Boeing 737823 · Cabin Temperature Control System
  > AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: CONTROL CABIN ZONE TEMPERATURE LIGHT ON RECALL, FLIGHT DECK TEMP UNCONTROLLABLE IT IS STUCKED AT FULL COLD 40 DEGREE SUPPLY DUCT TEMP READING. AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT MIA.
- [SDR AALA202504294417](https://openairdocs.org/sdr/AALA202504294417.md): Sensor · faulted · Apr 24, 2025 · N921AN · Boeing 737823 · Cabin Temperature Control System
  > AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: CONTROL CABIN ZONE TEMPERATURE LIGHT ON RECALL, FLIGHT DECK TEMP UNCONTROLLABLE IT IS STUCKED AT FULL COLD 40 DEGREE SUPPLY DUCT TEMP READING. AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT MIA.
- [SDR AALA202504296089](https://openairdocs.org/sdr/AALA202504296089.md): Sensor · bent · Apr 24, 2025 · N921AN · Boeing 737823 · Cabin Cooling System
  > AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: CONTROL CABIN ZONE TEMPERATURE LIGHT ON RECALL, FLIGHT DECK TEMP UNCONTROLLABLE IT IS STUCKED AT FULL COLD 40 DEGREE SUPPLY DUCT TEMP READING. AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT MIA.
- [SDR AALA202504296372](https://openairdocs.org/sdr/AALA202504296372.md): Overheat Sensor · bent · Apr 24, 2025 · N921AN · Boeing 737823 · Overheat Detection
  > AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: CONTROL CABIN ZONE TEMPERATURE LIGHT ON RECALL, FLIGHT DECK TEMP UNCONTROLLABLE IT IS STUCKED AT FULL COLD 40 DEGREE SUPPLY DUCT TEMP READING. AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT MIA.
- [SDR AALA202504291122](https://openairdocs.org/sdr/AALA202504291122.md): Air Filter · dirty · Apr 24, 2025 · N921AN · Boeing 737823 · Air Distribution System
  > AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: CONTROL CABIN ZONE TEMPERATURE LIGHT ON RECALL, FLIGHT DECK TEMP UNCONTROLLABLE IT IS STUCKED AT FULL COLD 40 DEGREE SUPPLY DUCT TEMP READING. AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT MIA.
- [SDR AALA202504251122](https://openairdocs.org/sdr/AALA202504251122.md): Control Module · malfunctioned · Apr 24, 2025 · N921AN · Boeing 737823 · Cabin Temperature Control System
  > AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: CONTROL CABIN ZONE TEMPERATURE LIGHT ON RECALL, FLIGHT DECK TEMP UNCONTROLLABLE IT IS STUCKED AT FULL COLD 40 DEGREE SUPPLY DUCT TEMP READING. AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT MIA.
- [SDR AALA202503112076](https://openairdocs.org/sdr/AALA202503112076.md): Adiru · failed · Mar 10, 2025 · N921AN · Boeing 737823 · Attitude Gyro and Indicating System
  > AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS NOT DECLARED DUE TO: BOTH FLIGHT DIRECTORS DROPPED OFF DURING TAKEOFF ROLL, FLIGHT DIRECTORS 2 RETURNED BUT NOT FLIGHT DIRECTORS 1. AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT JFK. TROUBLESHOT SYSTEM FOUND LEFT
- [SDR AALA202501289142](https://openairdocs.org/sdr/AALA202501289142.md): Light · detached · Jan 27, 2025 · N921AN · Boeing 737823 · Emergency Lighting
  > AIRCRAFT WAS NOT GROUNDED: 30C ESCAPE LIGHT DETACHED. REATTACHED SEAT 30C ESCAPE LIGHT, OPERTIONAL CHECK GOOD. PER CMM 25-23-67.
- [SDR AALA202501225269](https://openairdocs.org/sdr/AALA202501225269.md): Selector · inoperative · Jan 17, 2025 · N921AN · Boeing 737823 · Cabin Temperature Control System
  > AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS NOT DECLARED DUE TO: COCKPIT TEMPERATURE UNCONTROLLABLE, AIR WAS FREEZING AND COULD NOT BE ADJUSTED; AIRCRAFT DIVERTED TO AND LANDED SAFELY AT CUN. REMOVED AND REPLACED CONTROL CABIN ZONE TRIM TEMPERATURE CONTROL VALVE,
- [SDR AALA202412242957](https://openairdocs.org/sdr/AALA202412242957.md): Oven · burned · Dec 23, 2024 · N921AN · Boeing 737823 · Buffet/Galleys
  > AIRCRAFT WAS NOT GROUNDED: FORWARD GALLEY RIGHT OVEN WAS OVERHEATING AND GIVING OFF A STRONG BURNING SMELL. REMOVED AND REPLACED FORWARD GALLEY NUMBER 2 OVEN. PER AMM 25-32-03.
- [SDR AALA202412132549](https://openairdocs.org/sdr/AALA202412132549.md): Lens · broken · Dec 12, 2024 · N921AN · Boeing 737823 · Emergency Lighting
  > AIRCRAFT WAS NOT GROUNDED: LEFT OVERWING EMERGENCY EXIT LIGHT COVER BROKEN. REPLACED EMERGENCY LIGHT ASSEMBLY AT LEFT OVERWING EXIT AFT OF SEAT16A PASSENGER WINDOW. OPERTIONAL CHECK GOOD. PER AMM 33-51-01.
- [SDR AALA202410257483](https://openairdocs.org/sdr/AALA202410257483.md): Window · undertorqued · Oct 24, 2024 · N921AN · Boeing 737823 · Flight Compartment Windows
  > AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: CLIMBING THROUGH FL 220, NOTICED WIRE AND STRING FLAPPING UP AGAINST CAPTAIN BOTTOM OF SIDE WINDOW. AT ABOUT 24,500 LOUD SQUEAL STARTED COMING FROM WINDOW AREA; AIRCRAFT AIR INTERRUPTED BACK TO AND LANDE
- [SDR AALA202409055512](https://openairdocs.org/sdr/AALA202409055512.md): Light · inoperative · Aug 29, 2024 · N921AN · Boeing 737823 · Emergency Lighting
  > AIRCRAFT WAS NOT GROUNDED: EMERGENCY ESCAPE PATH LIGHT ON SEAT 14C IS INOPERATIVE. **SUPPLEMENTAL REPORT FOR (AALA202408305512): UPON FURTHER INSPECTION FOUND TO BE IFE LIGHT. REMOVED AND REPLACED IFE LIGHT SEAT ASSY. IN REF TO AMM 44-30-00**(CLOSED).
- [SDR AALA202408305512](https://openairdocs.org/sdr/AALA202408305512.md): Light · inoperative · Aug 29, 2024 · N921AN · Boeing 737823 · Emergency Lighting
  > AIRCRAFT WAS NOT GROUNDED: EMERGENCY ESCAPE PATH LIGHT ON SEAT 14C IS INOPERATIVE. **SUPPLEMENTAL REPORT WILL BE SUBMITTED**(OPEN).
- [SDR AALA202407036333](https://openairdocs.org/sdr/AALA202407036333.md): Light · unsecure · Jul 2, 2024 · N921AN · Boeing 737823 · Emergency Lighting
  > AIRCRAFT WAS NOT GROUNDED: AISLE EMERGENCY EXIT LITE AT 31C NEEDS RESECURE. SECURED LIGHT. PER AMM 33-51-11.
- [SDR AALA202406030558](https://openairdocs.org/sdr/AALA202406030558.md): Door Latch · out of adjust · Jun 2, 2024 · N921AN · Boeing 737823 · Fixed Inner Doors
  > AIRCRAFT WAS NOT GROUNDED: FORWARD LAVATORY DOOR REPORTED HARD TO OPEN AND CLOSE. ADJUSTED DOOR LATCH ASSEMBLY, OPERTIONAL CHECK GOOD. PER CMM 25-44-49.
- [SDR AALA202405291107](https://openairdocs.org/sdr/AALA202405291107.md): Manifold · inoperative · May 24, 2024 · N921AN · Boeing 737823 · Aircraft Fuel Distribution System
  > AIRCRAFT WAS GROUNDED: LEFT TANK FILLING UNCOMMANDED WITH VALVE ON MEL INOPERATIVE AND ALREADY CLOSED. REMOVE AND REPLACED REFUEL MANIFOLD. PER AMM 28-21-21
- [SDR AALA202405242685](https://openairdocs.org/sdr/AALA202405242685.md): Modulating Valve · inoperative · May 22, 2024 · N921AN · Boeing 737823 · Cabin Temperature Control System
  > AIRCRAFT WAS GROUNDED: AFT CABIN TEMP CONTROLLER WILL NOT CONTROL CABIN TEMPERATURE IN AUTO. TEMPERATURE GOES FULL HOT WITH A SMELL OF BURNING PLASTIC IN FLIGHT DECK AND CABIN. REMOVED AND REPLACED AFT CABIN ZONE TRIM AIR MODULATING VALVE (AALA202405232685),
- [SDR AALA202405247575](https://openairdocs.org/sdr/AALA202405247575.md): Sensor · inoperative · May 22, 2024 · N921AN · Boeing 737823 · Cabin Temperature Control System
  > AIRCRAFT WAS GROUNDED: AFT CABIN TEMP CONTROLLER WILL NOT CONTROL CABIN TEMPERATURE IN AUTO. TEMPERATURE GOES FULL HOT WITH A SMELL OF BURNING PLASTIC IN FLIGHT DECK AND CABIN. REMOVED AND REPLACED AFT CABIN ZONE TRIM AIR MODULATING VALVE ((AALA202405232685))
- [SDR AALA202405232685](https://openairdocs.org/sdr/AALA202405232685.md): Controller · malfunctioned · May 22, 2024 · N921AN · Boeing 737823 · Cabin Temperature Control System
  > AIRCRAFT WAS GROUNDED: AFT CABIN TEMP CONTROLLER WILL NOT CONTROL CABIN TEMPERATURE IN AUTO. TEMPERATURE GOES FULL HOT WITH A SMELL OF BURNING PLASTIC IN FLIGHT DECK AND CABIN. **SUPPLEMENTAL REPORT WILL BE SUBMITTED**(OPEN).
- [SDR AALA202405207043](https://openairdocs.org/sdr/AALA202405207043.md): Door Frame · loose · May 19, 2024 · N921AN · Boeing 737823 · Fuselage Main, Structure
  > AIRCRAFT WAS NOT GROUNDED: FORWARD LAVATORY DOOR DIFFICULT TO OPEN AND CLOSE. TIGHTENED LOOSE LAVATORY DOOR FRAME SCREWS. FUNCTIONAL CHECK GOOD. PER AMM 20-00-00.
- [SDR AALA202404299498](https://openairdocs.org/sdr/AALA202404299498.md): Toilet · leaking · Apr 26, 2024 · N921AN · Boeing 737823 · Waste Disposal System
  > AIRCRAFT WAS GROUNDED: FISH SMELLING ODOR THROUGHOUT THE CABIN. REMOVED AND REPLACED LAVATORY-A TOILET (AALA202404299498), PER AMM 38-32-15. REMOVE AND REPLACED BOTH LEFT HAND (AALA202404293290) AND RIGHT HAND (AALA202404296275) FAN AIR RECIRC AIR FILTERS, PER
- [SDR AALA202404293290](https://openairdocs.org/sdr/AALA202404293290.md): Air Filter · dirty · Apr 26, 2024 · N921AN · Boeing 737823 · Air Distribution System
  > AIRCRAFT WAS GROUNDED: FISH SMELLING ODOR THROUGHOUT THE CABIN. REMOVED AND REPLACED LAVATORY-A TOILET (AALA202404299498), PER AMM 38-32-15. REMOVE AND REPLACED BOTH LEFT HAND (AALA202404293290) AND RIGHT HAND (AALA202404296275) FAN AIR RECIRC AIR FILTERS, PER
- [SDR AALA202404296275](https://openairdocs.org/sdr/AALA202404296275.md): Air Filter · dirty · Apr 26, 2024 · N921AN · Boeing 737823 · Air Distribution System
  > AIRCRAFT WAS GROUNDED: FISH SMELLING ODOR THROUGHOUT THE CABIN. REMOVED AND REPLACED LAVATORY-A TOILET (AALA202404299498), PER AMM 38-32-15. REMOVE AND REPLACED BOTH LEFT HAND (AALA202404293290) AND RIGHT HAND (AALA202404296275) FAN AIR RECIRC AIR FILTERS, PER
- [SDR AALA202404291082](https://openairdocs.org/sdr/AALA202404291082.md): Insulation · contaminated · Apr 26, 2024 · N921AN · Boeing 737823 · Fuselage Miscellaneous Structure
  > AIRCRAFT WAS GROUNDED: FISH SMELLING ODOR THROUGHOUT THE CABIN. REMOVED AND REPLACED LAVATORY-A TOILET (AALA202404299498), PER AMM 38-32-15. REMOVE AND REPLACED BOTH LEFT HAND (AALA202404293290) AND RIGHT HAND (AALA202404296275) FAN AIR RECIRC AIR FILTERS, PER
- [SDR AALA202404297526](https://openairdocs.org/sdr/AALA202404297526.md): O-Ring · leaking · Apr 26, 2024 · N921AN · Boeing 737823 · Waste Disposal System
  > AIRCRAFT WAS GROUNDED: FISH SMELLING ODOR THROUGHOUT THE CABIN. REMOVED AND REPLACED LAVATORY-A TOILET (AALA202404299498), PER AMM 38-32-15. REMOVE AND REPLACED BOTH LEFT HAND (AALA202404293290) AND RIGHT HAND (AALA202404296275) FAN AIR RECIRC AIR FILTERS, PER
- [SDR AALA202404294749](https://openairdocs.org/sdr/AALA202404294749.md): Clamp · leaking · Apr 26, 2024 · N921AN · Boeing 737823 · Waste Disposal System
  > AIRCRAFT WAS GROUNDED: FISH SMELLING ODOR THROUGHOUT THE CABIN. REMOVED AND REPLACED LAVATORY-A TOILET (AALA202404299498), PER AMM 38-32-15. REMOVE AND REPLACED BOTH LEFT HAND (AALA202404293290) AND RIGHT HAND (AALA202404296275) FAN AIR RECIRC AIR FILTERS, PER
- [SDR AALA202402289258](https://openairdocs.org/sdr/AALA202402289258.md): Door · loose · Feb 27, 2024 · N921AN · Boeing 737823 · Fixed Inner Doors
  > AIRCRAFT WAS NOT GROUNDED: AFT LAVATORY DOOR JAM HARD TO OPERATE. TIGHTEN LOOSE HARDWARE AT TOP OF AFT LEFT LAVATORY DOOR.
- [SDR AALA202312264557](https://openairdocs.org/sdr/AALA202312264557.md): Door · out of adjust · Dec 25, 2023 · N921AN · Boeing 737823 · Fixed Inner Doors
  > AIRCRAFT WAS NOT GROUNDED: L1 LAVATORY ENTRY DOOR DIFFICULT TO OPEN OR CLOSE. ADJUSTED LAVATORY DOOR.
- [SDR AALA202311145081](https://openairdocs.org/sdr/AALA202311145081.md): Compensator · faulty · Nov 12, 2023 · N921AN · Boeing 737823 · Fuel Indicating System
  > AIRCRAFT WAS GROUNDED: RIGHT FUEL QUANTITY INDICATION ERRATIC. DIFFERENT READING DURING PREFLIGHT AND DURING CRUISE. FUEL LEVELS KEEP DROPPING.**SUPPLEMENTAL REPORT FOR (AALA202311135081): REMOVED AND REPLACED THE RIGHT COMPENSATOR. PER AA B737 AMM 28-41-21. O
- [SDR AALA202311135081](https://openairdocs.org/sdr/AALA202311135081.md): Unknown · unknown · Nov 12, 2023 · N921AN · Boeing 737823 · Fuel Quantity Indicator
  > AIRCRAFT WAS GROUNDED: RIGHT FUEL QUANTITY INDICATION ERRATIC. DIFFERENT READING DURING PREFLIGHT AND DURING CRUISE. FUEL LEVELS DROPPING DURING TANK BALANCING.**SUPPLEMENTAL REPORT WILL BE SUBMITTED**(OPEN).
- [SDR AALA202311078887](https://openairdocs.org/sdr/AALA202311078887.md): Sign · broken · Nov 4, 2023 · N921AN · Boeing 737823 · Emergency Lighting
  > AIRCRAFT IN BASE MAINTENANCE: OVERWING EXIT SIGN BASE ASSEMBLY BROKEN. REMOVED AND REPLACED LOWER EXIT FLOOD LIGHT IDENTIFIER AT LEFT HAND FORWARD OVERWING EXIT L1208 (AALA202311078887). UPPER EXIT FLOOD LIGHT IDENTIFIER AT LEFT HAND FORWARD OVERWING EXIT L140
- [SDR AALA202311072338](https://openairdocs.org/sdr/AALA202311072338.md): Sign · broken · Nov 4, 2023 · N921AN · Boeing 737823 · Emergency Lighting
  > AIRCRAFT IN BASE MAINTENANCE: OVERWING EXIT SIGN BASE ASSEMBLY BROKEN. REMOVED AND REPLACED LOWER EXIT FLOOD LIGHT IDENTIFIER AT LEFT HAND FORWARD OVERWING EXIT L1208 (AALA202311078887). UPPER EXIT FLOOD LIGHT IDENTIFIER AT LEFT HAND FORWARD OVERWING EXIT L140
- [SDR AALA202311075627](https://openairdocs.org/sdr/AALA202311075627.md): Sign · broken · Nov 4, 2023 · N921AN · Boeing 737823 · Emergency Lighting
  > AIRCRAFT IN BASE MAINTENANCE: OVERWING EXIT SIGN BASE ASSEMBLY BROKEN. REMOVED AND REPLACED LOWER EXIT FLOOD LIGHT IDENTIFIER AT LEFT HAND FORWARD OVERWING EXIT L1208 (AALA202311078887). UPPER EXIT FLOOD LIGHT IDENTIFIER AT LEFT HAND FORWARD OVERWING EXIT L140
- [SDR AALA202311076088](https://openairdocs.org/sdr/AALA202311076088.md): Sign · broken · Nov 4, 2023 · N921AN · Boeing 737823 · Emergency Lighting
  > AIRCRAFT IN BASE MAINTENANCE: OVERWING EXIT SIGN BASE ASSEMBLY BROKEN. REMOVED AND REPLACED LOWER EXIT FLOOD LIGHT IDENTIFIER AT LEFT HAND FORWARD OVERWING EXIT L1208 (AALA202311078887). UPPER EXIT FLOOD LIGHT IDENTIFIER AT LEFT HAND FORWARD OVERWING EXIT L140
- [SDR AALA202311060790](https://openairdocs.org/sdr/AALA202311060790.md): Fitting · none · Oct 20, 2023 · N921AN · Boeing 737823 · Fuselage Structure (General)
  > AIRCRAFT IN BASE MAINTENANCE: CENTER WING BOX FORWARD SPAR UPPER SHEAR FITTING LOCATED AT BS 540 AND RBL 54.60 REPLACEMENT REQUIRED PER BOEING SERVICE BULLETIN B737-57-1309. REPLACED SHEAR FITTING PER AARD 57-14-00-1 REPAIR 1.
- [SDR AALA202311060458](https://openairdocs.org/sdr/AALA202311060458.md): Fitting · none · Oct 20, 2023 · N921AN · Boeing 737823 · Fuselage Miscellaneous Structure
  > AIRCRAFT IN BASE MAINTENANCE: CENTER WING BOX FORWARD SPAR UPPER SHEAR FITTING LOCATED AT BS 540 AND RBL 40.87 REPLACEMENT REQUIRED PER BOEING SERVICE BULLETIN B737-57-1309. REPLACED SHEAR FITTING PER AARD 57-14-00-1 REPAIR 1.
- [SDR AALA202311062184](https://openairdocs.org/sdr/AALA202311062184.md): Fitting · none · Oct 20, 2023 · N921AN · Boeing 737823 · Fuselage Structure (General)
  > AIRCRAFT IN BASE MAINTENANCE: CENTER WING BOX FORWARD SPAR UPPER SHEAR FITTING LOCATED AT BS 540 AND RBL 32.40 REPLACEMENT REQUIRED PER BOEING SERVICE BULLETIN B737-57-1309. REPLACED SHEAR FITTING PER AARD 57-14-00 REPAIR 1.
- [SDR AALA202311065555](https://openairdocs.org/sdr/AALA202311065555.md): Fitting · none · Oct 20, 2023 · N921AN · Boeing 737823 · Wing, Center Box
  > AIRCRAFT IN BASE MAINTENANCE: CENTER WING BOX FORWARD SPAR UPPER SHEAR FITTING LOCATED AT BS 540 AND RBL 15.04 REPLACEMENT REQUIRED PER BOEING SERVICE BULLETIN B737-57-1309. REPLACED SHEAR FITTING PER AARD 57-14-00-1 REPAIR 1.
- [SDR AALA202311068570](https://openairdocs.org/sdr/AALA202311068570.md): Fitting · none · Oct 20, 2023 · N921AN · Boeing 737823 · Fuselage Structure (General)
  > AIRCRAFT IN BASE MAINTENANCE: CENTER WING BOX FORWARD SPAR UPPER SHEAR FITTING LOCATED AT BS 540 AND RBL 6.14 REPLACEMENT REQUIRED PER BOEING SERVICE BULLETIN B737-57-1309. REPLACED SHEAR FITTING PER AARD 57-14-00-1 REPAIR 1.
- [SDR AALA202311069965](https://openairdocs.org/sdr/AALA202311069965.md): Fitting · none · Oct 20, 2023 · N921AN · Boeing 737823 · Fuselage Miscellaneous Structure
  > AIRCRAFT IN BASE MAINTENANCE: CENTER WING BOX FORWARD SPAR UPPER SHEAR FITTING LOCATED AT BS 540 AND LBL 6.14 REPLACEMENT REQUIRED PER BOEING SERVICE BULLETIN B737-57-1309. REPLACED SHEAR FITTING PER AARD 57-14-00-1 REPAIR 1.
- [SDR AALA202311067069](https://openairdocs.org/sdr/AALA202311067069.md): Fitting · none · Oct 20, 2023 · N921AN · Boeing 737823 · Fuselage Structure (General)
  > AIRCRAFT IN BASE MAINTENANCE: CENTER WING BOX FORWARD SPAR UPPER SHEAR FITTING LOCATED AT BS 540 AND LBL 15.04 REPLACEMENT REQUIRED PER BOEING SERVICE BULLETIN B737-57-1309. REPLACED SHEAR FITTING PER AARD 57-14-00-1 REPAIR 1.
- [SDR AALA202311067792](https://openairdocs.org/sdr/AALA202311067792.md): Fitting · none · Oct 20, 2023 · N921AN · Boeing 737823 · Fuselage Structure (General)
  > AIRCRAFT IN BASE MAINTENANCE: CENTER WING BOX FORWARD SPAR UPPER SHEAR FITTING LOCATED AT BS 540 AND LBL 32.40 REPLACEMENT REQUIRED PER BOEING SERVICE BULLETIN B737-57-1309. REPLACED SHEAR FITTING PER AARD 57-14-00-1 REPAIR 1.

Next page: https://openairdocs.org/aircraft/N921AN/reports.md?page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
WHERE n_number = 'N921AN' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N921AN/reports

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